Early Monday morning, while the US East Coast was pouring coffee, dropping kids off at school, and cursing in traffic, a space rock as big as a 10-story building slipped past Earth.
The asteroid, dubbed 2017 AG13, was discovered only Saturday by the University of Arizona’s Catalina Sky Survey, according to an email from Slooh, a company that broadcasts live views of space.
(Read the rest of the story here…)