NASA Universe(@NASAUniverse):Imagine finding the “bones” of dead stars! 🦴 At the end of a massive star’s life, it can leave behind its core as a neutron star … just a trace of what it once was. Like other fossils, these remains can teach us about the star’s past: https://t.co/gOcN9tYIJk #NationalFossilDay

NASA Universe

@NASAUniverse

Your backstage pass to the universe and how NASA studies it. Exoplanets, black holes, dark energy, and more!

参加 March 2009

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NASA Universe@NASAUniverse

2026.10.14 16:12

Imagine finding the “bones” of dead stars! 🦴 At the end of a massive star’s life, it can leave behind its core as a neutron star … just a trace of what it once was. Like other fossils, these remains can teach us about the star’s past: #NationalFossilDay#