From images taken by "Clementine" in 1994, it appears that four mountainous regions on the rim of Peary Crater at the Moon's north pole may remain illuminated for the entire lunar day, creating peaks of eternal light.
Odsotnosti nevtralnih vrst (atomov ali molekul), kot so kisik, dušik, ogljik, vodik in magnezij, ki so prisotni v regolitu, ne razumemo.