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Unlike active galaxies that constantly pull in surrounding material, these black holes lie dormant until a star passes by.
Astronomers at MIT, Columbia University, and elsewhere have used NASA's James Webb Space Telescope (JWST) to peer through the ...
Less than a decade since the first detection of gravitational waves—ripples in spacetime itself—proposed budget cuts threaten ...
At the core of the galaxy, about 26,000 light-years away in space, is Sagittarius A*, a supermassive black hole about 4 ...
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