China Satellite Laser Ranges Out to the Moons Orbit
by Brian Wang from NextBigFuture.com on (#6X76M)
A China research team on Sunday successfully captured the laser return signal from the retroreflector of the Tiandu-1 satellite, which is approximately 130,000 km away from the Earth, using the newly upgraded near-infrared lunar laser ranging system of an 1.2-meter telescope. This is the world's first daytime satellite laser ranging in the Earth-moon space, marking ...