NASA's Geotail spacecraft ends 30-year mission studying Earth's magnetosphere

After 31 years in orbit, NASA's magnetosphere-studying mission Geotail has come to end after the spacecraft's final data recorder failed.

NASA's Geotail spacecraft ends 30-year mission studying Earth's magnetosphere
After 31 years in orbit, NASA's magnetosphere-studying mission Geotail has come to end after the spacecraft's final data recorder failed.