Partial differentiation of Europa and implications for the origin of materials in the Jupiter system - Nature Astronomy
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Gravity data acquired by Galileo suggest that Jupiter’s moon Europa does not have a differentiated inner metallic core and that the Galilean satellites formed from dry chondritic material, implying a cold evolution of the moon.
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The original was posted on /r/science by /u/MistWeaver80 on 2025-01-31 00:21:52+00:00.

Original Title: Jupiter’s moon Europa is the subject of much speculation about extraterrestrial life, which could exist in the ocean buried beneath the body’s icy surface. Now researchers suggest that a small metallic core could lie at the centre of this moon.