NASA's tiny LADEE (Lunar Atmosphere and Dust Environment Explorer) satellite orbits the moon, taking measurements that reveal the nature of the tenuous lunar atmosphere. A laser communications system will also be tested. The 844-pound (383 kilograms) LADEE moon dust spacecraft built on an inexpensive framework that can also be used for other missions.
Moon Dust Mission: How NASA's LADEE Spacecraft Works (Infographic)

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