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The natural world. Looking pretty for 3.5b years.

the Ices of Mercury

Author: Hugh Bollinger/Sunday, January 18, 2015/Categories: natural history, photography, environment

The planet Mercury, the Greek's "Messenger of the Gods", orbits the Sun in 116 days; has temperature ranging from −280F at night to 800F during the day; and is 70% metallic, mostly iron. It also has water ice.

NASA's Messenger  spacecraft  has confirmed that the tiny planet has ice at its poles. A composite radar image provided spectrographic analysis of ice as it passed over the north pole. The ice is probably from the formation of the solar system and has been protected from any direct sunlight for nearly 4 billion years.

                 
                          North Polar Region Craters, Mercury  (credit: Messenger)
Amazing!

WHB

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