The Making of NASA's Global Selfie: 100+ Countries, Thousands of Photos

The 3.2 gigapixel Global Selfie mosaic, hosted by GigaPan, was made with 36,422 individual images that were posted to social media sites on or around Earth Day, April 22, 2014. When viewing on GigaPan's website, clicking on the "Snapshots" icon in the lower-left corner will display a row of highlighted images.
Image credit: NASA

To see all images... go to... http://www.nasa.gov/content/goddard/2014-globalselfie-wrap-up/index.html#.U4E5E3ZGrFw

or go to... http://www.gigapan.com/gigapans/155294