After a two-year journey, a NASA spacecraft arrives at its target asteroid

Today, one of NASA’s deep-space probes, OSIRIS-REx, arrived at the space rock it’s been traveling toward for the last two years, an asteroid named Bennu. At noon ET, OSIRIS-REx came within about 12 miles (20 kilometers) of the asteroid, which is closer than ever before. The arrival means that OSIRIS-REx is now starting a new phase of its mission that entails extensively mapping the surface of the asteroid to find the best place to grab a sample of material.
Read more: https://www.theverge.com/2018/12/3/18123607/nasa-osiris-rex-bennu-asteroid-sample-return-spacecraft-arrival?source=Snapzu