Laser Retroreflector Arrays

NASA

NASA Laser Reflecting Instruments to Help Pinpoint Earth Measurements

The best known use of GPS satellites is to help people know their location whether driving a car, navigating a ship or plane, or trekking across remote territory. Another important, but lesser-known, use is to distribute information to other Earth-viewing satellites to help them pinpoint measurements of our planet. NASA and several other federal agencies, including the U.S. Space Force,…