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Gemini Observatory Captures Multicolor Image of First-ever Interstellar Comet

17 Sep 2019, 21:40 UTC
Gemini Observatory Captures Multicolor Image of First-ever Interstellar Comet Gemini Observatory/NSF/AURA

Neutron stars are the end-state of massive stars that have spent their fuel and exploded as supernovae. There’s an upper limit to their mass, because a massive enough star won’t become a neutron star; it’ll become a black hole. But finding that upper mass limit, or tipping point, between a star that becomes a black hole and one that becomes a neutron star, is something astronomers are still working on.

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