Exoplanetary Scratchpad

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One of four white dwarf stars observed to have dusty debris disk around it with the chemical signatures of Earth-like materials. This star has a significantly larger amounts of material found in the Earth's core, such as nickel, iron, and sulfur, suggesting it did not come from asteroid collision. It instead suggests that planets that survived its Red Giant phase later collided after it lost mass during its planetary nebulae stage. The debris disk is being swallowed up by the star.

PG0843+516 System Web PagesEdit

PG0843+516 System In the NewsEdit

Earth-Like Chemicals Found in White Dwarf Debris DisksEdit

See AlsoEdit

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