Apollo 17 Astronauts Capture Iconic Blue Marble 50 Years Ago

#NASA #ImageOfTheDay This classic photograph of the Earth was taken on Dec. 7, 1972, by the crew of the final Apollo mission, Apollo 17, as they traveled toward the moon on their lunar landing mission.

http://www.nasa.gov/image-feature/apollo-17-astronauts-capture-iconic-blue-marble-50-years-ago