Thursday, October 14, 2021

The Inuit knowledge vanishing with the ice


By Chris Baraniuk
BBC
11th October 2021

The Inuit are famous for their ability to survive extreme conditions, having inhabited the Arctic for millennia. But as the ice recedes, this hard-earned knowledge is being lost.

About 1,600 people live in the village of Pond Inlet, or Mittimatalik as it is known in the Inuit language Inuktitut. It is a community huddled between mountains, on a northern shore of Baffin Island, Canada – a place further north than the northernmost tip of mainland Norway. In winter, temperatures drop to an average of -35C (-31F), though they have been known to dip below -50C (-58F).

It's not the sort of place some people would immediately associate with "global warming". And yet, climate change is reshaping this part of the world dramatically – and impacting the people who live there.

"Everything we do involves the ocean and sea ice, which is highly affected by climate change," says Natasha Simonee, a member of the Inuit community in Pond Inlet.

Diminishing ice, warmer winters and changes to weather patterns are not just background noise for people like Simonee. These things have the potential to alter her whole way of life. She explains how elders in her community have grown reluctant to share traditional methods for predicting the weather, since the climate has changed so much. "They question whether it's accurate," she explains. "That kind of stuff is not necessarily practised and passed on anymore."

The Arctic, Earth's northern polar region, is warming about twice as fast as the rest of the world – and is home to four million people who are experiencing a particularly rapid and disruptive form of climate change. Among these Arctic residents are many indigenous groups, including Inuit, Saami and Chukchi people, to name a few.

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There are many explanations for the accelerated rate of change in the Arctic, such as how the loss of white, reflective ice causes increasing amounts of thermal energy to be absorbed in this part of the world.

Simonee explains how thinning sea ice and slushy rivers make travelling across land using traditional methods more dangerous for people in her community. The skills involved for safe navigation, tracking and hunting are still passed on – but opportunities to do these things are increasingly threatened. Ancient traditions and unique forms of knowledge-sharing are at risk.

This includes time-honoured practices that few outside the Arctic have heard of. Alex Whiting – who is not Inuit but has lived in the Arctic for around 30 years – lives in the town of Kotzebue, or Qikiqtaġruk, in Alaska. Whiting explains that the traditional practice of burying fish in the ground and leaving it there to ferment, which extends the life of the foodstuff, is harder to do now than it once was. The technique relies on reliably cold temperatures throughout the winter.


As certain Arctic traditions are lost, the words that were used to describe them are disappearing too (Credit: Alamy)

"Those kind of skills are already becoming really tough to pass on to younger generations," says Whiting.

He also notes how important it is to be able to transmit knowledge about the safe crossing of ice patches. Experienced locals know how to detect cracks in the ice based on its colour or texture, or via careful taps with an ice pick. But societal changes and shorter hunting seasons mean only a few expert seal hunters venture out into such conditions these days.

"There's still a kid or two that is apprentice in that kind of stuff," says Whiting. "It hasn't completely died out."

But the threat that it could disappear still hovers. Climate change is far from the only factor threatening the continuance of these activities, though it is becoming more harmful over time.

"I don't think we've fully grasped it, it's like a whole way of life that's being taken away," says Jackie Dawson, professor and holder of the Canada research chair in environment, society and policy at the University of Ottawa. The effects of climate change are so destabilising, they can have major emotional and mental health impacts on Arctic peoples, she adds.

Dawson has studied the implications of rising ship traffic in the Canadian Arctic. Because of dwindling sea ice in recent years, it has become easier for ships to traverse the relatively narrow passages and channels scattered around the region.

In a study published last year on the presence of vessels and how they may be affecting Inuit communities, Dawson and colleagues noted how local people felt that there was a risk to their seasonal hunting activities. For example, ship noise can drive away some animals, such as seals, which are hunted by Inuit at certain times of the year. For many Inuit people, hunting is a key part of how they sustain themselves in this remote part of the world.

Encouragingly, the team's research has brought them into contact with Simonee and other locals, and prompted greater dialogue between Inuit people and the shipping companies that are taking advantage of warming Arctic waters. Inuit community members have made requests to these firms including asking them to steer clear of certain areas in order to protect local animal populations. To Dawson's delight, the shipping companies have been receptive to such suggestions.

"It's been wonderful. We were so surprised," she adds. "These companies are also asking for real-time information on hunts, for example, so they can avoid them."


As climate change accelerates, Arctic populations are grappling with earlier springs, slushy ice and the arrival of new species, among other things (Credit: Alamy)

But is it possible to actually quantify the extent to which culturally significant activities are changing due to climate change? Among those who have tackled this question is Donna Hauser, research assistant professor at the International Arctic Research Center at the University of Alaska Fairbanks. Hauser and colleagues have worked with people living in Inuit communities, including Whiting and a team of elder advisers in Kotzebue, to better understand how the hunting season has changed alongside the climate.

The results of their research, published in August, show that spring time hunts of bearded seals in Kotzebue ended around three weeks earlier in 2019 than they did in 2003. Meanwhile, historical sea ice records reveal that the conditions there in late spring today are comparable to those observed at the height of summer in the mid-20th Century.

The effect on hunters is nuanced, though, says Hauser. The hunting season is shorter and so too are hunting trips because less time is required to navigate the ice. On the other hand, hunters spend more time on open water in boats than they once did, and must spend more money on fuel to get around.

"What we've seen so far is that hunters are able to compensate," says Hauser. "I think the concern is what we don’t know about the future."

It could also be argued that significantly changed activities are already suggestive of loss. Klemetti Näkkäläjärvi, a postdoctoral researcher at the University of Oulu, has studied various ways in which the culture of his people, the Saami, is threatened by climate change. Saami people live across an area called Sápmi, which stretches from northern Norway to parts of northwest Russia.

While it is possible to adapt reindeer herding as a livelihood or source of income to overcome the challenges posed by climate change, herding as a cultural form – a practice unchanged for a very long time – is vulnerable, he argues.

"The greening process makes it difficult to navigate, travel, identify, search for and herd reindeer," explains Näkkäläjärvi.

Increasingly warm waters affect the kind of fish that are available for fishing, too. Näkkäläjärvi says that some old Saami words are falling out of use because the conditions or events to which they refer don't occur any more.

"No longer can a herder always trust his or her knowledge, the knowledge that has accumulated during centuries and that has safeguarded the success of Saami reindeer culture in harsh conditions to modern times," he adds.

The Nenets people, who herd reindeer in the Russian Arctic, have also experienced such difficulties. They are used to migrating for hundreds of miles with their animals to find pastures to graze but climate change, and the associated rise of oil and gas infrastructure in this part of the world, has made this incredible journey much more difficult.


Some skills might not be passed down to younger generations of Inuit, because climate change has made certain traditional activities more dangerous (Credit: Alamy)


As a 2019 report by human rights organisation Minority Rights Group International noted: "Some Nenets have already responded to these changes by leaving their nomadic communities and assimilating in urban communities, though many reportedly struggle with high levels of alcoholism, unemployment and mental health issues as a result."

To some extent, all cultures are perpetually in a state of evolution and change. It would be wrong to suggest that they can or should remain static. Perhaps that is why, on closer inspection, people's opinions about what climate change means for their culture can be quite varied.

Shirley Tagalik moved north to the Canadian Arctic in the 1970s and, in her words, married into the community in the town of Arviat on the western shore of Hudson Bay. With a population exceeding 2,000 people, Arviat is one of the largest Inuit communities.

Tagalik insists that, while there are concerns over the pace of climate change today, Inuit people have responded to many different climatic variations in the past.

"Inuit culture is all about continually seeking solutions," she says. "And so in the face of climate change, the requirement that we train youth to continually seek solutions becomes paramount."

Some animals have become harder to hunt, she acknowledges, though she points out that, on the other hand, the growing season for certain plants has got longer. Vegetables are not a like-for-like replacement for seal meat but there is an opportunity to adapt and make more of one over the other, she suggests.

Tagalik stresses that it is in the very act of thinking about and responding to climate change that Inuit culture can express itself – and demonstrate its resilience.

It's well-documented that climate change is leading to losses of many different kinds, in communities across the globe. But however you measure that loss, it's clear that indigenous peoples in the Arctic are experiencing more of it than most.

"Climate change is so real up here," says Simonee. "It's my life."

European Union to seek ban on oil and gas exploration in the Arctic

Arctic has warmed 3 times as fast as the planet during the

 last 50 years

A picture taken in 2016 shows an icebreaker, right, at the port of Sabetta in the Kara Sea shore line on the Yamal Peninsula in the Arctic circle. On Wednesday, the European Union said it plans to seek ban on oil and gas exploration in the Arctic (Kirill Kudryavtsev/AFP/Getty Images)

The European Union (EU) will seek a ban on tapping new oil, coal and gas deposits in the Arctic to protect a region severely affected by climate change, according to a proposal for the bloc's new Arctic strategy published on Wednesday.

The European Commission proposal reflects the EU's efforts to boost its role on the global stage, although it has limited influence in the Arctic. It is not a member of the Arctic Council, which is the regional co-ordinating body, though three of its states — Denmark, Finland and Sweden — are.

"The EU is committed to ensuring that oil, coal and gas stay in the ground, including in Arctic regions," the EU executive's proposal said, while acknowledging that the bloc itself still imports oil and gas extracted in the region.

"To this end, the commission shall work with partners towards a multilateral legal obligation not to allow any further hydrocarbon reserve development in the Arctic or contiguous regions, nor to purchase such hydrocarbons if they were to be produced."

Russian President Vladimir Putin, whose country is one of the world's largest oil and gas exporters and excavates fossil 
fuels in the Arctic, said Moscow would eventually benefit from such a ban because of rising prices.
 
"If such decisions lead to a certain price volatility, [Russia's economy] wouldn't suffer that much. That's because we will reduce production, but will get the prices we wanted," Putin told an energy conference in Moscow.

Vulnerable to climate change

The Arctic is one of the regions most affected by climate change. It has warmed three times as fast as the planet during the last 50 years. This has caused the ice covering land and sea to melt, sea levels to rise and permafrost to thaw.

The EU also aims under its new strategy to strengthen research into the effects of thawing permafrost that may put oil fields at risk and threaten to release greenhouse gases as well as dangerous germs locked in the frozen ground.

"Over 70 per cent of Arctic infrastructure and 45 per cent of oil extraction fields are built on permafrost," said the document, which must still be approved by the EU's 27 member states.

Potential mitigation measures could include the development of methods for local cooling and stabilizing, and the introduction of tougher building standards, the commission said.

It also suggested the creation of a monitoring and early warning system to detect germs such as anthrax being released from the thawing ground.

The Arctic Council comprises Canada, Iceland, Norway, Russia and the United States as well as the three EU states, along with six Indigenous organizations. It acts as a forum for co-operation. The EU has applied for observer status.

To boost its regional presence, the EU plans to open an office in Greenland's capital Nuuk as the United States did last year.

EU aims for greater Arctic role and calls for

 oil, coal and gas to stay in the ground


Bloc says it needs to play greater part in region, citing

 global heating and possible tensions over resources


A polar bear in the Arctic National Wildlife Refuge, Alaska. Joe Biden has suspended oil drilling licences in the area. 
Photograph: Ron Niebrugge/Alamy


Jennifer Rankin in Brussels
THE GUARDIAN
Wed 13 Oct 2021 

The European Union has called for oil, coal and gas in the Arctic to stay in the ground, as it announced aspirations to play a greater role in the world’s northernmost region.

The EU, which has three member states with Arctic territory, said there was a “geopolitical necessity” for it to be involved in the region, as global heating opens up competition for resources and the prospect of new shipping lanes.

In a policy paper published on Wednesday, the European Commission promised to aim for “a multilateral legal obligation not to allow any further hydrocarbon reserve development in the Arctic or contiguous regions”, which would include a pact not to buy any fossil fuels that are developed.

Earlier this year the US president, Joe Biden, suspended oil drilling licences in the Arctic National Wildlife Refuge, undoing a decision made by his predecessor Donald Trump. The Canadian government also issued a five-year moratorium on drilling for oil and gas in the Arctic Ocean in 2016.

But the other large Arctic state, Russia, is highly unlikely to join any moratorium any time soon. For Russia, the Arctic’s natural resources are worth 10% of its economic output, and the Kremlin is considering new shipping lanes. Last year, Rosneft started drilling two wells in the Kara Sea in the Russian Arctic after an earlier project was suspended because of problems linked to western sanctions.

A boat navigates a large iceberg in eastern Greenland. 
Photograph: Felipe Dana/AP

The EU is a net importer of Arctic oil and gas and estimates it is responsible for 36% of the Arctic’s black carbon deposits, which accelerate global heating by darkening icebergs and land that would otherwise reflect back the sun’s rays.

The EU commissioner for the environment, Virginijus Sinkevičius, said: “The Arctic region is warming three times faster than the rest of the planet. The melting of ice and thawing of permafrost in the Arctic further accelerate climate change and have huge knock-on effects.” Sinkevičius promised a strong link between the EU’s Arctic engagement and climate policy.

The document was drawn up by Sinkevičius and the EU foreign policy chief, Josep Borrell. It also reflects an anxiety not to allow other powers, such as Russia and China, to dominate the region. “Intensified interest in Arctic resources and transport routes could transform the region into an arena of local and geopolitical competition and possible tensions, possibly threatening the EU’s interests,” the paper states.

Five of the Arctic Council’s eight members are either EU member states (Sweden, Finland, Denmark) or closely associated with the EU (Norway and Iceland). Denmark’s Arctic territory, Greenland, chose to leave the European Economic Community in 1985, although it remains a self-governing part of Denmark. The EU now wants to establish an office in Nuuk, Greenland’s capital.

Canada, Russia and the US are the other three members of the Arctic Council, an intergovernmental body intended to promote cooperation in the region.

THE JAMES WEBB TELESCOPE

How to ship the world's largest space telescope 5,800 miles across the ocean

How to Ship the World’s Largest Space Telescope 5,800 Miles Across the Ocean
Ahead of its journey to its launch site, NASA’s James Webb Space Telescope is shown 
being lowered into its protective transport container in the Northrop Grumman clean
 room in Redondo Beach, California. Credit: NASA/Northrop Grumman

When NASA's James Webb Space Telescope launches, it will undergo one of the most harrowing deployment processes any spacecraft has ever endured. But before it even gets on top of its ride to space, Webb had to complete a final journey here on Earth: a roughly 5,800-mile (9,300-kilometer) voyage at sea.

Webb was shipped from California on Sept. 26, ultimately passing through the Panama Canal to reach the Port de Pariacabo—located on the Kourou River in French Guiana, on the northeastern coast of South America—on Oct. 12. Webb will now be driven to its launch site, Europe's Spaceport in Kourou, French Guiana, where it will begin two months of operational preparations before its scheduled Dec. 18 launch.

With the largest and most powerful space telescope ever built as cargo, nothing about this trip was normal.

A custom-made 'suitcase'

As a one-of-a-kind machine, Webb required a colossal, specially designed "suitcase" known as STTARS, short for Space Telescope Transporter for Air, Road and Sea. STTARS weighs about 168,000 pounds (76,000 kilograms). It is 18 feet (5.5 meters) high, 15 feet (4.6 meters) wide, and 110 feet (33.5 meters) long—about twice the length of a semi-trailer.

This custom container was outfitted for any extreme or unexpected conditions Webb could have encountered during travel. In designing, building, and testing STTARS, engineers carefully tested how to best protect the container from heavy rainfall and other environmental factors.

The Webb telescope's journey to space began with engineers packing the telescope into its protective transport container. The container was then moved from Northrop Grumman in Redondo Beach, California, to Seal Beach, California. Waiting at Seal Beach was the ship that would carry Webb to French Guiana. Credit: NASA's Goddard Space Flight Center; Michael McClare (KBRwyle); Sophia Roberts (AIMM); Michael P. Menzel (AIMM); Tom Graves (Northrop Grumman); Larkin Carey (Ball Aerospace & Technologies)

Charting the course

Planning any trip is hard work. With Webb, added to that are the logistics of transporting an extremely large and incredibly sensitive space telescope across two oceans.

For Charlie Diaz, Webb's launch site operations manager at NASA's Goddard Space Flight Center in Greenbelt, Maryland, Webb's arrival in Kourou was the culmination of years of preparation: "There are just thousands of different things that go on behind the scenes: pulling permits, avoiding obstructions, selecting alternate routes…all kinds of nuances. I'm so proud of our team—we've been working at this now for a long time."

Webb's ship voyage will ultimately be bookended by two short drives, one in California and one in French Guiana. The first took Webb from Northrop Grumman's facilities in Redondo Beach, California, to its nearby port of departure at Naval Weapons Station Seal Beach. The second drive will bring Webb from the Port de Pariacabo to its launch site of Europe's Spaceport in Kourou.

Prior to these drives, Diaz's team conducted route surveys using satellite imagery to understand the variables at stake. They noted details down to potholes that needed to be filled or traffic lights that had to be lifted due to STTARS' height. In case of emergencies, the team also selected "safe havens," or places along the way where they could safely perform any necessary maintenance on the container.

Due to its sheer size and weight, STTARS traveled at a speed of only 5–10 miles per hour (8–16 kilometers per hour) on the road to maintain a smooth ride.

While STTARS has previously transported Webb components to other NASA or partner facilities primarily by air, the team chose to transport Webb by sea to Kourou due to the logistics of landing at the Cayenne Airport in French Guiana. The 40-mile (65-kilometer) route between the airport and the launch site features seven bridges that STTARS would have been too heavy to cross. In addition, the drive from the Port de Pariacabo to Webb's launch site is relatively short. In comparison, a drive from the Cayenne Airport to the launch site, factoring in STTARS' slow speeds and other constraints, would have taken about two days.

Compared to the turbulence of air travel and the forces experienced during landing, traveling by sea aboard the cargo transport ship MN Colibri was quite literally smooth sailing. MN Colibri was designed specifically to transport enormous rocket parts as well as sensitive payloads to Europe's Spaceport, also known as the Guiana Space Center. On average, the ship cruised at around 15 knots, or 17 miles per hour (27 kilometers per hour). Sandra Irish, lead structural engineer for Webb at Goddard, was in charge of making sure that no stresseswould "rock the boat" past an accepted level. Working with the shipping company and crew, she and her team ensured a ship route for STTARS that avoided rough waters.

After arriving at Seal Beach, California, Webb (inside of the protective transport container) was loaded into the MN Colibri. This process took several steps to accomplish. Once the telescope was loaded inside the cargo hold, the MN Colibri set sail for French Guiana. Credit: NASA's Goddard Space Flight Center; Michael McClare (KBRwyle): Sophia Roberts (AIMM): Michael P. Menzel (AIMM); Victor Bradley

Running a clean ship

As with other spacecraft, Webb must be kept clean while it is on Earth.

STTARS is essentially a mobile clean room. When Webb is on the move, STTARS maintains a low level of contaminants inside the container—no more than 100 airborne particles greater than or equal to 0.5 microns in size. For reference, half a micron is just one hundredth of the width of a human hair!

Webb's contamination control team employed several tried-and-true methods to clean both the outside and inside of the container and prepare it for receiving and carrying Webb. Members carefully inspected each screw, nut, and bolt for residual contaminants using ultraviolet light. Next, Webb was installed into STTARS while both were inside the Northrop Grumman clean room. This will seal in cleanliness until STTARS can be opened inside the receiving clean room at the launch site.

STTARS sailed to French Guiana inside MN Colibri's cavernous cargo hold, protected from weather and the sea, along with other equipment and supplies for launch preparations. A sophisticated heating, ventilation, and air-conditioning (HVAC) system built for STTARS monitored and controlled the humidity and temperature inside the container. Several accompanying trailers, loaded with dozens of pressurized bottles, provided a continuous supply of pristine, manufactured, dry air into the transporter's interior.

Neil Patel, Webb's transportation manager at Goddard, was one of five Webb team members who accompanied STTARS on its journey to ensure that Webb would remain in good condition: "Traveling through the Panama Canal with Webb was a once-in-a-lifetime experience, and a first-time activity for our team. It was very special to be bringing this observatory to the very last place it will be here on Earth," he said.

Having been transported by land, air, and now sea, the Webb telescope can already be considered a seasoned traveler. Soon, it will enter the final frontier it hasn't explored—the great expanse of space.

NASA's Webb space telescope arrives in French Guiana after sea voyage

$10 Billion Webb Space Telescope Arrives at Europe’s Spaceport

Webb Arrives at Pariacabo Harbor

The James Webb Space Telescope, a once-in-a-generation space mission, arrived safely at Pariacabo harbor in French Guiana on October 12, 2021, ahead of its launch on an Ariane 5 rocket from Europe’s Spaceport. Credit: ESA/CNES/Arianespace

The James Webb Space Telescope has arrived safely at Pariacabo harbor in French Guiana. ESA in close collaboration with NASA will now prepare this once-in-a-generation mission for its launch on Ariane 5 from Europe’s Spaceport this December.

Few space science missions have been as eagerly anticipated as the James Webb Space Telescope (Webb). As the next great space science observatory following Hubble, Webb is designed to resolve unanswered questions about the Universe and see farther into our origins: from the formation of stars and planets to the birth of the first galaxies in the early Universe.

Every launch requires meticulous planning and preparation. For Webb, this process began about 15 years ago. Its arrival at Pariacabo harbor is a major milestone in the Ariane 5 launch campaign.

Webb Space Telescope Arrives at Pariacabo Harbor

The James Webb Space Telescope has arrived safely at Pariacabo harbor in French Guiana. Credit: ESA/CNES/Arianespace

Webb arrived from California on board the MN Colibri which sailed the Panama Canal to French Guiana. The shallow Kourou river was specially dredged to ensure a clear passage and the vessel followed high tide to safely reach port.

Though the telescope weighs only six tonnes, it is more than 10.5 m high and almost 4.5 m wide when folded. It was shipped in its folded position in a 30 m long container which, with auxiliary equipment, weighs more than 70 tonnes. This is such an exceptional mission that a heavy articulated vehicle was brought on board MN Colibri to carefully transport Webb to the Spaceport.

The Spaceport’s preparation facilities are ready for Webb’s arrival. As extra protection from contamination, the clean rooms are fitted with additional walls of air filters and a dedicated curtain will shroud Webb after it is mounted on the rocket.

NASA’s James Webb Space Telescope Assembled and Tested

James Webb Space Telescope folded after testing completed. Credit: NASA/Chris Gunn

This launch campaign involves more than 100 specialists. Teams will work separately to prepare the telescope and the launch vehicle until they become one combined team to join the telescope with its rocket for a momentous liftoff.

When Webb arrives at the Spaceport, it will be unpacked inside a dedicated spacecraft preparation facility where it will be examined to ensure that it is undamaged from its voyage and in good working order.

In parallel to Webb preparations, Ariane 5 rocket parts from Europe will come together in the launch vehicle integration building.

Webb Launch Timeline

Webb launch timeline. Credit: ESA

Europe’s powerful and highly reliable heavy-lift workhorse has an excellent track record spanning more than 100 launches and three decades. Ariane 5’s ample fairing, 5.4 m diameter and 17 m high, provides enough space for Webb’s folded spacecraft components, sunshield, and mirrors.

Ariane 5 is well suited for science satellites with proven capability to send missions to the second Lagrange Point (L2). Ariane 5 will release Webb directly on a path towards L2 on which it will continue for four weeks, eventually arriving at L2 which is four times farther away than the Moon is from Earth.

Webb and Ariane 5 Perfect Fit

Webb and Ariane 5: a fit made perfect. Ariane 5 has been customized to accommodate all the specific requirements of the Webb mission. Credit: ESA

A few customized features make Ariane 5 a perfect fit for Webb. These include the adaptation of venting ports at the base of the fairing which will be forced fully open during the flight. The fairing – the rocket’s nose cone – will protect Webb from the acoustics at liftoff and during its journey through Earth’s atmosphere. Its venting ports will enable extremely smooth depressurization of the fairing from ground pressure to vacuum during the flight.

Then, to avoid overheating of any elements of Webb, Ariane 5 will perform a specially developed rolling maneuver to ensure that all parts of the satellite will be equally exposed to the sun.

An extra battery will provide power for a boost to the upper stage after release of the telescope, safely distancing it from Webb.

Vega Ariane 5 and Ariane 6 Launch Zones at Europe's Spaceport

Aerial view over Europe’s Spaceport in Kourou in French Guiana on July 28, 2021. Pictured from left to right, the Vega, Ariane 5 (foreground), and Ariane 6 (background right) launch zones at Europe’s Spaceport in Kourou, French Guiana. Credit: ESA–S. Corvaja

Arianespace operates a family of rockets at Europe’s Spaceport: Ariane 5, Vega, and Soyuz. This launch site is surrounded by jungle and covers 690 km2. It is an ideal location for launching rockets for several reasons.

First, at only 5 degrees north of the equator, the rockets launched here can benefit from the ‘slingshot effect’ due to the speed of Earth’s rotation, increasing their performance as they already travel at over 300 m/s when they lift off. Also, an open ocean towards the east and north offers a large range of possible launch trajectories away from populated areas.

Finally, this region has a very low risk of cyclones or earthquakes which is important when such delicate operations are taking place.

“Webb is an excellent example of international teamwork and cooperation. We welcome Webb and our partners to Europe’s Spaceport in French Guiana to continue this adventure towards a thrilling liftoff on board Ariane 5 and to sharing the many Webb science breakthroughs to come!” commented Daniel Neuenschwander, ESA Director of Space Transportation.

Working with partners, ESA was responsible for the development and qualification of Ariane 5 adaptations for the Webb mission and for the procurement of the launch service.

Webb is an international partnership between NASA, the European Space Agency (ESA) and the Canadian Space Agency (CSA).

James Webb Space Telescope completes its voyage to French Guiana

Only a million or so miles to go

Richard Speed
Wed 13 Oct 2021 

The multinational James Webb Space Telescope – named after a former NASA administrator – has arrived in French Guiana, home to Europe's Spaceport, with launch finally in sight.

An international collaboration (including contributions from NASA, ESA and the Canadian Space Agency), the long-in-gestation and eye-wateringly overbudget observatory is due for launch atop an Ariane 5 rocket on 18 December, just squeaking into 2021, if all goes well.

Aside from the 16-day, 5,800-mile trip at sea from California, it has been quite the journey for the space telescope, on which work began in 1996 ahead of a 2007 launch date. Back then the budget was around $500m. These days it's nearer $10bn after repeated delays and a redesign. To be fair, however, nothing quite like the James Webb Space Telescope (JWST) has ever been built before. Then again, that is still quite the overrun and delay.

Unlike the Hubble Space Telescope (HST), which lurks in a Space Shuttle-friendly Earth orbit, the JWST will be placed near the Earth-Sun L2 Lagrange point. A large sunshield will keep the payload cool to permit observations in the infrared using the iconic 6.5m mirror, which is itself made up of 18 hexagonal mirrors and considerably larger than the comparatively weedy 2.4m mirror of the ageing HST.

The focus on the infrared means that while the JWST won't work in the same wavelengths as the HST, its lower frequency range means it should be able to observe objects far older and more distant than the HST can. However, its location means that dealing with any spacecraft anomalies will present considerably more of a challenge than the Hubble servicing missions of old. Which, in turn, has caused some of the delays as engineers have tested and tested again the observatory while it is on the ground.

Construction was completed in 2016 (although integration of all the components took a few years longer). The intervening years before its shipment to French Guiana have seen multiple tests, including one that resulted in the sunshield tearing. Other issues included problems with the propulsion system and, in one report [PDF], "loose hardware was found in the lower area of the spacecraft."

While it might have seemed at times that the launch date would never stop slipping, the JWST is now closer to the launchpad than it has ever been. And, once in space, all will be forgiven once the data starts flowing from the science payload.

"We are going to see things in the universe beyond what we can even imagine today," said Thomas Zurbuchen, associate administrator for NASA's Science Mission Directorate in Washington, after paying tribute to the efforts of the multinational team responsible for the telescope.

James Webb Space Telescope penciled in for launch this century. Yes, Dec 18, 2021
This way up: James Webb Space Telescope gets ready for shipment after final tests
Not only is Hubble back online after outage, it's already taking photos of the cosmos
NASA fixes Hubble Space Telescope using backup power supply unit, payload computer

Before it can trouble the top of an Ariane 5, engineers must extract the JWST from its shipping container (following a drive to the launch site) before performing some final checks and loading the spacecraft with fuel. It will then be enclosed in the Ariane fairing for launch.

The first few days of the JWST's journey to its final orbit will see the solar array, antennas and sunshield deployed, with the full mirror being unfolded at around the two-week mark.

The spacecraft is expected to arrive at the second Lagrange point 30 days after launch with the entire commissioning phase expected to take six months, followed by a five-year science mission. The goal is a lifetime greater than 10 years, although the limiting factor will be the fuel needed to keep the spacecraft in place around L2.

Not quite the prodigiously long life of the HST but, again, there isn't much on the JWST that can really be serviced by astronauts should things go wrong. Even getting a crewed spacecraft to the JWST's final location would be a challenge in itself. ®


The most powerful space telescope ever built will look back in time to the Dark Ages of the universe


Hubble took pictures of the oldest galaxies it could – seen here – but the James Webb Space Telescope can go back much farther in time. NASA


October 12, 2021 3.31pm EDT

Some have called NASA’s James Webb Space Telescope the “telescope that ate astronomy.” It is the most powerful space telescope ever built and a complex piece of mechanical origami that has pushed the limits of human engineering. On Dec. 18, 2021, after years of delays and billions of dollars in cost overruns, the telescope is scheduled to launch into orbit and usher in the next era of astronomy.

I’m an astronomer with a specialty in observational cosmology – I’ve been studying distant galaxies for 30 years. Some of the biggest unanswered questions about the universe relate to its early years just after the Big Bang. When did the first stars and galaxies form? Which came first, and why? I am incredibly excited that astronomers may soon uncover the story of how galaxies started because James Webb was built specifically to answer these very questions.
The Universe went through a period of time known as the Dark Ages before stars or galaxies emitted any light. Space Telescope Institute


The ‘Dark Ages’ of the universe


Excellent evidence shows that the universe started with an event called the Big Bang 13.8 billion years ago, which left it in an ultra-hot, ultra-dense state. The universe immediately began expanding after the Big Bang, cooling as it did so. One second after the Big Bang, the universe was a hundred trillion miles across with an average temperature of an incredible 18 billion F (10 billion C). Around 400,000 years after the Big Bang, the universe was 10 million light years across and the temperature had cooled to 5,500 F (3,000 C). If anyone had been there to see it at this point, the universe would have been glowing dull red like a giant heat lamp.

Throughout this time, space was filled with a smooth soup of high energy particles, radiation, hydrogen and helium. There was no structure. As the expanding universe became bigger and colder, the soup thinned out and everything faded to black. This was the start of what astronomers call the Dark Ages of the universe.

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The soup of the Dark Ages was not perfectly uniform and due to gravity, tiny areas of gas began to clump together and become more dense. The smooth universe became lumpy and these small clumps of denser gas were seeds for the eventual formation of stars, galaxies and everything else in the universe.

Although there was nothing to see, the Dark Ages were an important phase in the evolution of the universe.


Light from the early universe is in the infrared wavelength – meaning longer than red light – when it reaches Earth. Inductiveload/NASA via Wikimedia CommonsCC BY-SA



Looking for the first light

The Dark Ages ended when gravity formed the first stars and galaxies that eventually began to emit the first light. Although astronomers don’t know when first light happened, the best guess is that it was several hundred million years after the Big Bang. Astronomers also don’t know whether stars or galaxies formed first.

Current theories based on how gravity forms structure in a universe dominated by dark matter suggest that small objects – like stars and star clusters – likely formed first and then later grew into dwarf galaxies and then larger galaxies like the Milky Way. These first stars in the universe were extreme objects compared to stars of today. They were a million times brighter but they lived very short lives. They burned hot and bright and when they died, they left behind black holes up to a hundred times the Sun’s mass, which might have acted as the seeds for galaxy formation.

Astronomers would love to study this fascinating and important era of the universe, but detecting first light is incredibly challenging. Compared to massive, bright galaxies of today, the first objects were very small and due to the constant expansion of the universe, they’re now tens of billions of light years away from Earth. Also, the earliest stars were surrounded by gas left over from their formation and this gas acted like fog that absorbed most of the light. It took several hundred million years for radiation to blast away the fog. This early light is very faint by the time it gets to Earth.

But this is not the only challenge.

As the universe expands, it continuously stretches the wavelength of light traveling through it. This is called redshift because it shifts light of shorter wavelengths – like blue or white light – to longer wavelengths like red or infrared light. Though not a perfect analogy, it is similar to how when a car drives past you, the pitch of any sounds it is making drops noticeably.
Similar to how a pitch of a sound drops if the source is moving away from you, the wavelength of light stretches due to the expansion of the universe.

By the time light emitted by an early star or galaxy 13 billion years ago reaches any telescope on Earth, it has been stretched by a factor of 10 by the expansion of the universe. It arrives as infrared light, meaning it has a wavelength longer than that of red light. To see first light, you have to be looking for infrared light.


Telescope as a time machine

Enter the James Webb Space Telescope.

Telescopes are like time machines. If an object is 10,000 light-years away, that means the light takes 10,000 years to reach Earth. So the further out in space astronomers look, the further back in time we are looking.


The James Webb Space Telescope was specifically designed to detect the oldest galaxies in the universe. NASA/JPL-CaltechCC BY-SA

Engineers optimized James Webb for specifically detecting the faint infrared light of the earliest stars or galaxies. Compared to the Hubble Space Telescope, James Webb has a 15 times wider field of view on its camera, collects six times more light and its sensors are tuned to be most sensitive to infrared light.

The strategy will be to stare deeply at one patch of sky for a long time, collecting as much light and information from the most distant and oldest galaxies as possible. With this data, it may be possible to answer when and how the Dark Ages ended, but there are many other important discoveries to be made. For example, unraveling this story may also help explain the nature of dark matter, the mysterious form of matter that makes up about 80% of the mass of the universe.

James Webb is the most technically difficult mission NASA has ever attempted. But I think the scientific questions it may help answer will be worth every ounce of effort. I and other astronomers are waiting excitedly for the data to start coming back sometime in 2022.


Author
Chris Impey
University Distinguished Professor of Astronomy, University of Arizona

Disclosure statement
Chris Impey receives funding from the National Science Foundation and the Hearst Foundation.
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University of Arizona provides funding as a member of The Conversation US.



CANADA
More than 180,000 workers have left the restaurant sector. Most have become white-collar workers — and they’re not coming back


By Jacob Lorinc
Business Reporter
Wed., Oct. 13, 2021

Wages and COVID-19 restrictions pushed workers out of the restaurant and food services industry and into professional service roles in white-collar sectors, according to an analysis by the Canadian Centre for Policy Alternatives (CCPA).

By February 2021, almost a quarter-million workers in Canada who used to be employed in food and accommodation had found new jobs outside that sector, many of them switching to roles as secretaries or assistants for accountants, lawyers, architects and more, the study finds.

Employment in food services is now 14.8 per cent below its pre-pandemic level, according to Canada’s September labour-force survey. That’s an improvement from the worker shortages during third-wave restrictions earlier this year, but it means there are still 180,000 workers who left food-service positions in February 2020 and never returned.

It’s no surprise restaurant workers have flocked to secure jobs with higher wages, said David Macdonald, senior economist with the CCPA and author of the report, titled

 “Tipping point: Pandemic forced restaurant and bar workers into better paying jobs.”

“Restaurant jobs in the sector are harder now than they were pre-pandemic. Not only are you exposed to a deadly health risk, but you have to wear a mask all day, endure customer abuse while enforcing mask and vaccination rules, all while hoping new lockdowns don’t shut your job down for the fourth time,” said Macdonald.

The CCPA tracked monthly labour-force numbers per industry using public data from Statistics Canada to reveal a major sectoral realignment that saw a steep decrease in food-services workers that mirrored an almost-equally steep increase in professional services workers.


The professional services sector has gained 183,000 workers since February 2020 while food and accommodation services lost 180,000.

“This isn’t to say that servers have become engineers, doctors or teachers but, rather, that they’re filling support positions in these industries,” reads the report. “For example, a former restaurant server could become an office manager or secretary. It may also be that those servers have post-secondary education training in these other industries and that repeated shutdowns in food and accommodation pushed them into other jobs.”

Food and accommodation services have long operated on a low-wage business model that relies on easy-to-hire cheap labour to cook, serve and clean at restaurants and bars. Data from Statistics Canada shows that, since February 2020, average hourly wages for food service workers have increased by a matter of cents. The average hourly wage for a full-time industry worker grew by $0.58 between February 2020 and September 2021, from $16.80 to $17.38.

The low wages have worsened the job vacancy rates for these employers, Macdonald says: “Low wages are having a bigger impact on vacancies and the amount that they’ll have to increase wages in order to address those vacancies has grown.”

According to CCPA’s analysis, the job vacancy rate, now at nine per cent, could decline by three percentage points if employers raised their offered wages by $5 per hour.

The persistently low salaries are also a consequence of the beating that restaurants have taken after three lengthy lockdowns since March 2020. According to Restaurants Canada, an advocacy group for the industry, 80 per cent of restaurants have seen their profits decline during the pandemic. Nearly half have consistently lost money for more than a year.

Some hospitality and food services leaders have said they’re facing a labour shortage due to generous social assistance programs that incentivize would-be employees to stay home. Macdonald said the CCPA findings largely negate that theory.

“Our data shows that (the workers) have already returned to work, just in a different sector,” he said.

Workers who shifted to other industries could return to the restaurant business, but it would likely have to be with higher pay and better hours.

In the coming months, Macdonald expects to see a rise in prices for consumers at restaurants and bars as a result of higher wages to retain staff. He also says businesses may turn to automation and on-demand delivery to conserve labour.

More significant shifts will likely be seen when government subsidies expire later this month.

“Absent that government support, business models that are reliant on low-wage labour may no longer be viable,” he said.


Jacob Lorinc is a Toronto-based reporter covering business for the Star. Reach him via email: jlorinc@thestar.ca
Oilpatch experiencing labour shortage that could slow recovery, industry says

KENNEY SUGGESTS NURSES BECOME TRADESPEOPLE IF THEY WANT MORE MOOLA

By Staff The Canadian Press
Posted October 13, 2021 1:41 pm


WATCH: Will Alberta start seeing more future trades workers?

Canadian energy contractors are facing a shortage of rig workers that could slow oilpatch recovery.

Oil and gas companies are ramping up production to meet global energy demand as COVID-19 restrictions ease. Oil prices are at seven-year highs, with West Texas Intermediate trading this week at more than US$80 per barrel.

The Canadian Association of Energy Contractors says there were 175 active drilling rigs in Canada last week, compared to just 75 in the same period last year. It says employment in the sector has increased 130 per cent year-over-year.

But the industry group says labour shortages are a problem. It says some companies who can’t find workers are struggling to fill customer demand for rigs.

READ MORE: Alberta energy minister says oil price spike won’t increase industry cleanup spending

Companies are finding it difficult to attract workers back to the oil and gas sector after a six-year economic downturn. Some rig workers have left Western Canada while others have retrained in other industries.

The Canadian Association of Energy Contractors says wages for rig workers have already increased by about 10 per cent from last year due to market demand.