The Huge Image: NASA’s first excessive-res image of the forty eight states
It isn’t fairly a selfie within the conventional sense, however this composite picture from 1974 was the primary full shot of the forty eight states. It was stitched collectively from snaps taken by NASA’s Earth Assets Know-how Satellite tv for pc, with every image taken on the similar altitude, 560 miles, utilizing solely the pink portion of the spectrum. In the actual world, the shot measures sixteen x 10 ft and was initially utilized by map makers, geologists and environmental researchers to raised know their homeland. So, for those who’re ever hassled about your incessant selfie-taking, simply level out that NASA was doing it properly earlier than anybody else, and with public cash, too.