NASA to Probe the Secrets of the Lunar Regolith

Regolith Adherence Characterization, or RAC, is one of 10 science and technology instruments flying on NASA’s next Commercial Lunar Payload Services (CLPS) flight as part of the Blue Ghost Misison-1. Developed by Aegis Aerospace of Webster, Texas, RAC is designed to study how lunar dust reacts to more than a dozen different types of material samples, located on the payload’s wheels. Photo courtesy Firefly Aerospace

Gaze up at the Moon on any night and you will see a barren world displaying all manner of shades of grey. Aside from the obvious craters and lunar maria, the surface of the Moon is covered in the fine, dusty lunar regolith. The Apollo astronauts in the 60’s and 70’s learned that it was electromagnetically charged and was very abrasive posing a problem for mechanical equipment. Now a new payload on the Commercial Lunar Payload Services initiative will explore the regolith even further. 

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Apollo 11 Moon Dust Sells at Auction for a Cool Half Million

Apollo 11
Apollo 11 at Tranquility Base on the Moon. Credit: NASA

A lunar moon dust sample with a strange history made its way to the auction block yesterday.

On July 20, 1969, NASA astronaut Neil Armstrong stepped off the landing pad of the Eagle lunar lander and into history. About eight minutes afterwards, Armstrong performed a crucial task, and collected a small ‘contingency sample’ of the Sea of Tranquility landing site. The sample was a small assurance that, in the event of a hasty departure—due to say, a malfunction or landing site instability—they did indeed still manage to retrieve the very first lunar material for return to Earth.

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