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Poseidonal Subtype
Euthenia
Image from Steve Bowers
Euthenia, a Poseidonal world
A subtype of Europan Type planets and moons. Water ice worlds with deep oceans and a partially melted icy surface. The ocean will have numerous deep hotspots. Poseidonal worlds are covered in extensive ice floes and giant icebergs adrift on a global ocean. Such worlds may be enveloped in a relatively thick atmosphere.

Life is sometimes present, but rarely very advanced.
 
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Appears in Topics
Planetology
 
Development Notes
Text by John M. Dollan in his Planet Classification List
Initially published on 19 December 2001.

 
 
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