Some images of Earth help us take a step back to see our place in the universe. See our home from afar: https://t.co/NUs5N1YkCf #EarthDay pic.twitter.com/xEdw7QoQcS— NASA (@NASA) April 22, 2017
Some images of Earth help us take a step back to see our place in the universe. See our home from afar: https://t.co/NUs5N1YkCf #EarthDay pic.twitter.com/xEdw7QoQcS