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All sizes | Working on COSTAR | Flickr - Photo Sharing!

All sizes | Hubble Space Telescope | Flickr - Photo Sharing!

All sizes | STS-103 Shuttle Mission Imagery | Flickr - Photo Sharing!

Comparaison de taille de la Terre par rapport a la tache de Jupiter ! ! !

NASA's IMAGE Spacecraft View of Aurora Australis from Space

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Les satellites en orbite autour de la Terre #Espace #Astronomy⎜Astronomie

April 19, 2012. Space Shuttles Enterprise, left, and Discovery meet nose-to-nose at the beginning of a transfer ceremony at the Smithsonian's Steven F. Udvar-Hazy Center in Chantilly, Va. Space shuttle Discovery, the first orbiter retired from NASA’s shuttle fleet, completed 39 missions, spent 365 days in space, orbited the Earth 5,830 times, and traveled 148,221,675 miles will now begin its new mission to educate and inspire. Photo Credit: (NASA/Smithsonian Institution/Carolyn Russo)

NASA ECHO II S-131 // From Wikipedia: "Project Echo was the first passive communications satellite experiment. Each of the two American spacecraft, launched in 1960 and 1964, was a metalized balloon satellite acting as a passive reflector of microwave signals. Communication signals were bounced off of them from one point on Earth to another."