Artistic impression of a neutron star collision leaving behind a rapidly expanding cloud of radioactive material. Credit: NASA Goddard Space Flight Center, CI Lab Artistic impression of a neutron star ...
iPTF14hls is a star that refuses to follow the rules. Discovered in September 2014, it was supposed to be a typical supernova -explode once, dim in about 100 days, leave behind a neutron star or black ...
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