Submission + - Best of the Earth Observatory (nasa.gov)
SpaceMika writes: To celebrate the 10th anniversary of NASA's Earth Observatory, readers are voting on the most beautiful, most fascinating, or most unusual images from the Image of the Day collection. In the tradition of Apollo's "earthrise," do any of the images resonate as cultural icons? Browse now for the 50 best photos, or check back on 29 April for the winner.
