Imbrium

Proper noun

Meaning

The vast lava plain on the Moon.

The basin on the Moon.

The asteroid impact that created these basin and plain on the Moon.

Examples

In making the final landing site decision, mission planners took into consideration the primary objectives for Apollo 17: obtaining old highlands material from a substantial distance from Mare Imbrium, sampling material from young volcanic activity (i. Source: Internet

Geologists feared, however, that samples obtained from the crater might have been contaminated by the Imbrium impact, thus preventing Apollo 16 from obtaining samples of pre-Imbrium material. Source: Internet

Likewise, Apollo 15 had also sampled material in the region of Imbrium, visiting the basin's edge. Source: Internet

The Cayley Formation's age was approximated to be about the same as Mare Imbrium based on the local frequency of impact craters. Source: Internet

This would include a convert expedition in pressurized rovers to the crater Harpalus and the Mare Imbrium foothills. Source: Internet

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