A Pair of Black Holes Could Soon Collide And Destroy Their Galaxy


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One black hole is not to be messed with, let alone two. Astronomers have discovered what appears to be two supermassive black holes just one light-year apart, setting up a collision so massive it could be release as much energy as 100 million supernovas and destroy it’s inside galaxy . Yep.

A Supermassive Black Hole is the largest type of black hole, on the order of hundreds of thousands to billions of solar masses and are found in the center of almost all massive galaxies.In the case of the Milky Way, the Supermassive black hole is believed to correspond with the location of Sagittarius A*(At the center).

Thankfully, the black holes are far away in a remote galaxy called PG 1302-102. The collision itself, if astronomers have done the calculations right, will happen in the next million years. That’s a pretty unfathomably long time for humans, but just a blink of an eye in cosmic time.

Astronomers are excited about the discovery because a pair of black holes could yield valuable information about theorized but never directly detected gravitational waves. Gravitational waves are ripples in space-time that exist according to Einstein’s theory of general relativity. If the two black holes collide, most of the released energy will be in the form of gravitational waves, literally bending the fabric of space-time.

But for now, the pair of black holes still need to be 100 percent confirmed. When two black holes so far away are close to one another, astronomers on Earth can only see it as a particular flicker of light. Astronomers need to rule the flicker out as a statistical anomaly. Still, in the long history of the universe, black holes have almost certainly collided before. Destroying whole galaxies in one fell swoop is not just science fiction.

Source : gizmodo.com

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