This cool video tracks air travel traffic over a 24-hour period. While there are regions, like North America and Europe, that are particularly crisscrossed with flights, the overall impression is this is one busy planet.
See the globe from additional breath-taking vantage points by checking out one astronaut's images of Mount Kilimanjaro, Haiti, the Maldives, and more as seen from orbit, NASA's best images of the Earth to date, and these incredible photos of the world's most severe storms as seen from space.
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