The Moon
The Moon
Credit: AFP/Getty Images
The Earth's shadow is cast upon the moon during the last total lunar eclipse of 2011 as seen from the San Gabriel Valley east of Los Angeles, on December 10, 2011. A lunar eclipse occurs when the moon, following its orbit around Earth, passes directly behind our planet as seen from the sun. AFP PHOTO / Frederic J. BROWN (Photo credit should read FREDERIC J. BROWN/AFP/Getty Images)
