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Astronomers traced a star’s explosion to just 260 light-years from our galaxy’s black hole
A star exploded roughly 260 light-years from Sagittarius A*, the supermassive black hole at the center of the Milky Way, and ...
Scientists using the Chandra X-ray telescope have uncovered new details about the famous supernova remnant Cassiopeia A.
M83 is located about 15 million light-years away from Earth and is forming stars at a high rate. Using 14 years of Chandra ...
WASHINGTON — A supernova, the explosive death of a star, is always violent, blasting material into space while typically leaving behind a compact stellar remnant like a neutron star or black hole. But ...
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