NASA award showcases all-time best photos of Earth

<p>In honor of Earth Day's 50th anniversary and the 20th anniversary of NASA's Earth Observatory, NASA asked the public to vote on which pictures captures our beautiful planet.</p><p>Voters had to pick from 20 years of images and "more than 15,500 image-driven stories" to select the top stunners from The Earth Observatory, a website dedicated to sharing science stories about Earth.</p><p>Over 56,000 votes came in during the course of five rounds. The winner, announced on April 28, was taken in 2001 by Serge Andrefouet, a remote sensing specialist at the University of South Florida, captures sand and seaweed in the Bahamas using a Landsat 7 satellite.</p><p>The runner-up image showed a dramatic eruption of Raikoke volcano in Russia as seen by astronauts on the International Space Station.</p><p>Check out the video for more amazing shots.</p>