Hubble Space Telescope may have found a planet born after its star died
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09/10/2026 às 17:314 閲覧
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A strange chemical signature in old Hubble observations may point to a planet that formed after its star had already died. Astronomers found unusually high levels of niobium around the white dwarf HS 0209+0832, suggesting some of the star’s expelled material may have assembled into a new gas giant.…
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