Hubble Data Uncovers Evidence of Second-Generation Planet Around White Dwarf HS 0209+0832

A white dwarf represents the stellar remnant remaining after a star exhausts its nuclear fuel and sheds its outer gaseous layers. In this formation scenario, a second-generation planet would coalesce from that ejected material, yielding a chemical composition fundamentally distinct from planets that formed concurrently with their host star.

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Hubble Data Uncovers Evidence of Second-Generation Planet Around White Dwarf HS 0209+0832

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