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Mercury is Shrinking, But Faster Than Previously Thought

September 16, 2026
Mercury is Shrinking, But Faster Than Previously Thought
By Matthew Williams (https://ift.tt/yTD4PkE)

Mercury as seen by NASA’s MESSENGER spacecraft in 2008. Credit: NASA/JHUAPL/Carnegie Institution of Washington

The rough, impact-debris-covered surface of Mercury has hidden the true rate at which Mercury has been shrinking, which scientists previously underestimated by 30%



September 17, 2026 at 04:47AM
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