NASA's Earth Observatory has tracked down images resembling all 26 letters of the English alphabet using only NASA satellite imagery and astronaut photography. Seen here are the first four letters, A, B, C and D from views of Utah, the Arkansas River, a Bahrain Atoll Island and Akimiski Island in Canada, respectively. Explore the whole alphabet at http://go.nasa.gov/ABC #Alphabet #space #nasa #astronauts #earth #planet #ABC - December 30, 2015 at 05:12AM Source: https://scontent.cdninstagram.com/hphotos-xfa1/t51.2885-15/sh0.08/e35/1171644_209695099368147_1059088734_n.jpg

via Stumble Space https://www.facebook.com/1519547981705892/photos/a.1530499607277396.1073741967.1519547981705892/1530499610610729/?type=3