NASA Spacecraft to Skim Asteroid Surface, Bring Home Sample
A spacecraft from U.S. space agency NASA is set to touch an asteroid, break off a sample and bring it back to Earth for the first time during a history-making mission that culminates Tuesday.The OSIRIS-REx spacecraft — an acronym for Origins, Spectral Interpretation, Resource Identification, Security-Regolith Explorer — is set to attempt a touch-and-go sample collection on the asteroid Bennu later Tuesday afternoon. Starting at just before 2 p.m. Eastern time, the spacecraft will begin its set of maneuvers to slowly descend to the Nightingale landing spot on the surface of the asteroid to collect the sample. The event is expected to take more than four hours.In a statement on its website, NASA says OSIRIS-REx is about the size of a large passenger van, has been orbit orbiting the asteroid since…