
This artist’s concept depicts a possible explanation for the unusual chemical abundances NASA’s Hubble Space Telescope detected in the HS 0209+0832 system: a second-generation planet orbiting the white dwarf star. via NASA https://ift.tt/JEPDYoK

This artist’s concept depicts a possible explanation for the unusual chemical abundances NASA’s Hubble Space Telescope detected in the HS 02...
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