Mercury Flyby Reveals Active (but Shrinking) Core [News]

Thursday, July 3, 2008 - 13:14 in Earth & Climate

The first flyby of the planet Mercury in more than 30 years is resolving some long-standing puzzles about the closest planet to the sun. Among the findings: the planet's iron-rich core seems to be shrinking, causing its crust to buckle and crack. [More]

Read the whole article on Scientific American

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