ScienceMercury may have shrunk by 19 km in diameter over its lifetime
Universe Magazine reports that a study of folds on Mercury’s surface suggests the planet contracted more than scientists previously thought.
TLDR
Mercury’s diameter may have decreased by 19 km over its lifetime, Universe Magazine reports, citing a study of surface folds. Entrelligence reports that a September 10 study suggests rough terrain hides evidence of past contraction. It says the revision concerns Mercury’s history—not faster shrinking today.
Mercury may have shrunk by 19 km in diameter over its lifetime
Universe Magazine reports that a study of folds on Mercury’s surface suggests the planet contracted more than scientists previously thought.
