Uneven supernova explosions may explain the unusual mix of elements in Milky Way stars once thought to be evidence of hypernovas.
As a star nears the end of its life, it faces two very different fates: It can explode as a supernova, leaving behind a neutron star, or collapse and become a black hole. What determines the outcome ...
NASA's Hubble Space Telescope completed its 200,000th orbit around Earth on Sept. 19, marking another milestone for an observatory that continues to transform our understanding of the universe. Hubble ...
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