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   Moonset from Earth Orbit 

  An impossible full moon floats in Earths blue atmosphere. In this view of the full moon as seen setting from the ISS, the surface features remain distinguishable in spite of the massive distortion by differential refraction. Near the lower limb the Mare Crisium is highly flattened whereas at top the Mare Imbrium has a semblance of its normal appearance. From Don Pettit's frame ISS-006-E-45773 courtesy NASA.