LEDA 1313424, aptly nicknamed the Bullseye, is two and a half times the size of our Milky Way and has nine rings — six more than any other known galaxy. This NASA/ESA Hubble Space Telescope image ...
A NASA satellite that suddenly reappeared after going silent gets credit for the remarkable discovery—a pair of temporary ...
Hypervelocity stars (HVSs) were first theorized to exist in the late 1980s. In 2005, the first discoveries were confirmed.
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