The moon has moonquakes. On Earth, quakes last up to about 2 minutes because water expands the structures of different materials, which act like a spongy cushion. Because the moon is so dry, quakes keep going and going; vibrating just like a tuning fork. Source
Jupiter has its own fireworks show. The planet has auroras, much like those on Earth, that were first discovered in 1979, but the Hubble Space Telescope has recently been bringing us stunning new views of them. Source
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