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How dangerous would it be if a black hole ate the Sun?
It's almost as old as the Universe, and as massive as 34 billion Suns. It eats stars for breakfast. And now it's about to ...
Physicists long believed time was a basic feature of the universe. But it may just emerge from cosmic information.
Low-Earth orbit is more crowded—and fragile—than it looks. Satellites constantly weave past each other, burning fuel and ...
When astronomers look out into the cosmos, they see supermassive black holes (SMBH) in two different states. In one state, ...
Some galaxies eject powerful streams of charged particles—jets—from their centers into space. The prominent jet of Messier 87 ...
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