Sit out on a clear summer's night and the odds are that you'll be treated to a meteor shower that's the remnant of a comet's passing. However, such showers are not peculiar to our planet. NASA's unmanned MErcury Surface, Space ENvironment, GEochemistry, and Ranging (MESSENGER) orbiter has uncovered evidence that the planet Mercury is subject to the same sort of periodic meteor showers as the Earth, only instead of a light show, it produces a spike in calcium in the planet's exosphere... Continue Reading MESSENGER finds signs of Mercury meteor showers
Section: Space
Tags: Comets, Mercury, Messenger, NASA, Solar System
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