this post was submitted on 14 Mar 2025
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xkcd #3063: Planet Definitions (xkcd.com)
submitted 4 days ago by [email protected] to c/xkcd
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Under the 'has cleared its orbital neighborhood' and 'fuses hydrogen into helium' definitions, thanks to human activities Earth technically no longer qualifies as a planet but DOES count as a star.

https://explainxkcd.com/3063/

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[โ€“] [email protected] 3 points 3 days ago (1 children)

do we have a saturn moon with surface oceans? thats very cool!

[โ€“] teft 9 points 3 days ago

We do. Titan is the only other body in the solar system with surface seas and lakes. They are made of hydrocarbons like ethane and methane however, not water.