NASA captured imagery of asteroid 2008 OS7 when it passed just 1.8 million miles from Earth earlier in February. Our planet wasn't in danger, though it was a relatively close pass.
The biggest asteroids that have ever hit Earth inferse.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from inferse.com Daily Mail and Mail on Sunday newspapers.
Asteroids have pummeled Earth in the past, leaving sizable impact craters and evidence of a once dangerous solar system. Here are some of the largest impact craters found on Earth.