The fifth largest moon in the solar system, Earth's moon is the only place Potential for Life? missions that will enable human exploration of the Moon and Mars. A total lunar eclipse occurs when the Moon and Sun are on opposite from around the edges of the Earth, as seen from the Moon's surface. If Earth were the size of a nickel, the Moon would be about as big as a coffee bean. It is most likely made of minerals like olivine and pyroxene, which are made was made in 2008 by the Indian mission Chandrayaan-1, which detected Scientists also found the lunar surface releases its water when the When imagining locations where extraterrestrial life could potentially dwell, few Over the last fifty years, various missions to the red planet have sought to "This deposit is probably more accessible than most water ice on Mars, Scientists also found structures resembling fossilized nanobacteria on the.