Luna 2 also crash land on the Moon in exactly the same way. Crash landing proved useful even after soft landing was mastered. NASA used crash landings to test whether Moon craters contained ice by crashing space probes into craters and testing the debris that got thrown out. The satellite's impact made it the first man-made object to land on another celestial body. "Luna 2" carried 5 different instruments to conduct various tests while it was on its way to the Moon. The scintillation counters would be used to measure any ionizing radiation; the Cherenkov radiation detectors would be measuring for electromagnetic
Luna Lake (Arizona) Luna Lake (Arizona) Luna Lake is a natural body of water that covers approximately of land. It is located about three miles (5 km) southeast of Alpine, Arizona, at the elevation of , and is the centerpiece of the Luna Lake Wildlife Area. Luna Lake has the distinction of being part of the San Francisco River, flowing easterly into New Mexico, then south, and west into the Gila River (in Arizona). The headwaters are north of the other main mountain tributary to the Gila, the Blue River of Arizona. Luna Lake lies at on the Apache-Sitgreaves National Forests, as such