
NEO NEWS (27 Oct 2015) Halloween Asteroid, AIDA Mission, Mass Extinctions
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Moon Engulfed in Permanent, Lopsided Dust Cloud
The cloud was discovered using data from NASA’s Lunar Atmosphere and Dust Environment Explorer (LADEE).
The distance to the Moon is measured to a precision of a few centimeters by bouncing laser beams off reflectors placed there by the Apollo astronauts.