Telescope spots NASA's OSIRIS-REx probe as it brings asteroid samples to Earth (photo)
Telescope spots NASA's OSIRIS-REx probe as it brings asteroid samples to Earth (photo)
A ground-based telescope in the Canary Islands snapped a photo of NASA's OSIRIS-REx probe on Sept. 16, eight days before its asteroid sample lands on Earth.
A ground-based telescope in the Canary Islands snapped a photo of NASA's OSIRIS-REx probe on Sept. 16, eight days before its asteroid sample lands on Earth.