On Earth Day this year, NASA asked people all around the world a question: "Where are you on Earth Right Now?"
To answer this question people were asked to post their selfie on social media. The goal was to use each picture as a pixel in the creation of a "Global Selfie" - a mosaic image that would look like Earth appeared from the space. The 3.2 gigapixel "Global Selfie", was made the with 36,422 individual images.
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