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NEWS Space & Aerospace
Niobium in a 1999 Hubble spectrum points to a planet born from a dead star
A 1999 Hubble spectrum, an updated NIST chemical database and NASA's retired FUSE mission together point to a Jupiter-sized candidate planet forming from a dead star's own ejecta around the white dwarf HS 0209+0832, with niobium serving as the chemical fingerprint of a second-generation world.