NASA's New 'Intruder Alert' System Spots An Incoming Asteroid

A space rock zipped by Earth on Sunday night. Astronomers knew it didn't pose a threat, in part thanks to a new automated warning program called Scout.
Read more: http://www.npr.org/sections/thetwo-way/2016/10/30/499751470/nasas-new-intruder-alert-system-spots-an-incoming-asteroid?source=Snapzu