The Moon: A Repository for Ancient Planetary Sample

Computer Science – Robotics

Scientific paper

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Lunar Surface, Planetary Geology, Meteorites, Lunar Geology, Primitive Earth Atmosphere, Fossils, Robotics

Scientific paper

The frequency of both lunar and Martian meteorites on the Earth indicates that the transfer of planetary material is common in the solar system. However, vigorous hydrologic or tectonic cycles, past or present, prevent most nearby planetary bodies from serving as long-term repositories of this material. The Moon is an important exception. Strategically located within the inner solar system, the Moon has theoretically collected material from all of the terrestrial planets since its formation. Lacking an atmosphere and widespread, longlasting volcanism, the Moon has potentially preserved meteorites from Mercury through the asteroid belt. While the lack of an atmosphere prevents a soft landing on the lunar surface, its low gravity means objects with small velocities with respect to the Moon will experience relatively low impact velocities. Moreover, unlike on other terrestrial planets, Martian, Venusian and Terran meteorites, blasted off their respective planets 3.9 Ga during the late heavy bombardment, should still exist on the surface of the Moon.

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