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Earth Day 2015: Trivia — April 24 (Answers)

Essig_Genevieve_COLORBy Genevieve J. Essig


How did NASA astronaut Scott Kelly give the world some "perspective" on Earth Day this year?

Scott Kelly, who is spending a year aboard the International Space Station, posted his first "geography quiz" photo on Earth Day. He plans to tweet a photo taken from the station of an undisclosed location on the planet every Wednesday and invite viewers to guess what it depicts.  Follow him @StationCDRKelly.