Blue Marble
Our sweet home

This gorgeous image is the most up-to-date "blue marble" photo of our home planet. Released this week, it's the latest in a long line of color images of Earth that date back to the Apollo space missions. The original "blue marble" shot was taken by the crew of Apollo 17 in 1972. Today, satellites are snapping some of the most spectacular photos of Earth. This new image was taken by Suomi NPP, NASA's most recently launched Earth-observing satellite. It's a composite of many images of the planet's surface taken on Jan. 4, 2012.
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