Last updated on April 24, 2014 at 10:39 EDT
Comet Lulin
1761 of 3821

Comet Lulin

February 24, 2009
The comet Lulin (center-right) is seen through the trees from Shenandoah National Park in Virginia, Monday, Feb. 23, 2009. Lulin, also known as the green comet, made its closest approach to the Earth overnight.