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Stephen Sekula (steve@chirp.cooleysekula.net)'s status on Thursday, 19-Oct-2023 15:06:32 UTC Stephen Sekula From mcnees@mastodon.social on Mastodon: Subrahmanyan Chandrasekhar was born # OTD in 1910. He established an upper limit on the mass of stable white dwarf stars, and made numerous contributions to astrophysics and relativity. Above the Chandrasekhar Limit – about 1.44 solar masses – stars eventually explode and then collapse into a neutron star or black hole. Photo: Stephen Lewellyn / AIP