On this day in space! Nov. 5, 2002: NASA’s Galileo spacecraft flies by Jupiter moon Amalthea only to find it’s a ‘pile of icy rubble less dense than water’

On Nov. 5, 2002, NASA's old Galileo spacecraft flew by a small moon called Amalthea and made a surprising find. Here's why it mattered.

Source: www.space.com

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