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Prof. Sam Lawler
@sundogplanets@mastodon.social  ·  activity timestamp 2 days ago

Erika Le Bourdais has a beautiful explanation diagram. A record: 13 metals found in one white dwarf, can extract mass of metals. Would have been an asteroid at least 150-200km in size that got eaten by the white dwarf

#SolarSystemInContext

Diagram showing metal and He atoms sinking onto a surface, and planetary debris falling onto a white dwarf
Diagram showing metal and He atoms sinking onto a surface, and planetary debris falling onto a white dwarf
Diagram showing metal and He atoms sinking onto a surface, and planetary debris falling onto a white dwarf
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