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Solar System Scratchpad

[Boiler Plate]

Craters near Mercury's poles that are deep enough so that sunlight never penetrates them. Possibly contain water ice which has remained there over geological time periods. Messenger's altimeter has revealed that they are deep enough to harbor frozen water.

Mercury/Eternal Shadow Craters Web Pages[]

Mercury/Eternal Shadow Craters In the News[]

Polar Craters Deep Enough to Contain Water (Jun 2011)[]

See Mercury/Eternal Shadow Craters, Mercury/Water