• Mercury, the incredible shrinking planet

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    PARIS: Beneath its Sun-scorched exterior, the planet Mercury is cooling, which is causing it to shrink ever so slightly, scientists said on Sunday (Monday in Manila).
    Over the last 3.8 billion years, the planet has shrunk by up to 14 kilometers (8.8 miles) to reach its present diameter of 4,800 km (3,032 miles), they said.
    Mercury, like Earth, is believed to have a superhot metallic core.

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