In April 2010, this radar image of the near-Earth asteroid 2005 YU55 was taken by the Arecibo radio telescope in Puerto Rico. On Nov. 8, 2011, this large space rock zips by Earth again and will be surveyed by radar, visual and infrared equipment. (NASA/Cornell/Arecibo)
An interloping space rock, called asteroid 2005 YU55, will pass between Earth and the orbit of the moon on Tuesday, Nov. 8, but does not pose a threat to our planet. Here's everything you need to know about meteorites and asteroids.