UNITED STATES, WASHINGTON (OBSERVATORY) — Astronomers in the United States and Australia have discovered new evidence of a black hole exploding in the middle of the Milky Way 3.5 million years ago.
Scientists who published an article in Astrophysical Journal said the black hole from hibernation emitted huge amounts of hot plasma that could have been detected from 200,000 light-years away.
“We previously thought that our galaxy was a relatively quiet place with” inactive populations, “said Magda Gulelmo, an astronomer from the University of Sydney.
Astronomers believe that the center of each galaxy is one or two large black holes. For example, in the center of the Milky Way lies the black hole Sgr A *, which is 26,000 light-years away from Earth and its mass 4 million times the mass of the sun.
Unlike the massive black holes in other galaxies adjacent to the Milky Way that attract and swallow matter permanently, Sgr A * is still in hibernation. It was therefore difficult to detect by ordinary observatories except radio and X-ray observatories and laboratories.
It was previously believed that the black hole of our galaxy does not generate massive emissions of plasma that may affect the life of the galaxy and the solar system in particular.
However, Gulelmo and her colleagues persuaded by observing the two magellan satellites as the largest of the Milky Way’s moons that the black hole in the center of our galaxy exploded 3.5 million years ago, significantly affecting our solar system.
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