View Full Version : Amalthea is Just a Pile of Icy Rubble

2005-Sep-07, 03:31 PM
SUMMARY: By studying data gathered by NASA's Galileo spacecraft, researchers have come to the conclusion that Amalthea, one of Jupiter's moons, is probably just a jumble of icy rubble, held together by gravity. Scientists originally believed it was made of rock, but Galileo helped to discover that its density is actually lower than water. It probably formed further out in the solar system, but was then captured into a stable orbit by Jupiter's immense gravity.

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