
Now this is interesting and fits with the Hindu/Vedic belief that Brahma, Vishnu and Shiva created the Universe with a single note the celestial OM.
Since Shiva is the destroyer/creator he seems an apt archtype for Black Holes.
A gigantic sonic boom and a periodic deep cacophony of sound emanated from a supermassive black hole, according to observations by NASA's Chandra X-ray Observatory. These noisy outbursts occur when material falls toward the black hole. While the black hole devours most of the material, some of it is violently ejected in jets from regions close to the black hole that push into the cluster's gas.These outbursts occur every few million years and prevent the gas from cooling and forming new stars, which is why M87 has retained its elliptical shape.
This gives credibility to the metaphyscial belief in celestial music and of Pythagoras therom of the music of the spheres; musica universalis .
Once again scientific evidence shows we are one with the universe.
The suggestion of using music to communicate with intelligence beyond Earth has a long history. As early as the 17th century, the European literary genre of the imaginary voyage provided a context for exploring a variety of proposals for universal language schemes. SPACE.com -- SETI: Celestial Music
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