The moon is shrinking

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  • The Moon is steadily shrinking, causing wrinkling on its surface and quakes, according to an analysis of imagery captured by NASA’s Lunar Reconnaissance Orbiter (LRO).
  • A survey of more than 12,000 images revealed that lunar basin Mare Frigoris near the Moon’s north pole has been cracking and shifting.
  • Since the moon’s crust is brittle, these forces cause its surface to break.
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