A large asteroid is whizzing by Earth this week, and NASA has the images to prove it.
원문출처 : http://www.cnn.com/2017/04/20/us/nasa-asteroid-earth-j025-trnd/index.html
원문출처 : http://www.cnn.com/2017/04/20/us/nasa-asteroid-earth-j025-trnd/index.html