4 of 6: Venus, upper right, transits the sun as seen through a dark glass from Quito, Ecuador, Tuesday, June 5, 2012. From the U.S. to South Korea, people around the world turned their attention to the daytime sky on Tuesday and early Wednesday in Asia to make sure they caught the once-in-a-lifetime sight of the transit of Venus, which won't be seen for another 105 years. (AP Photo/Dolores Ochoa)

Share this gallery