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- Cest quoi un satellite - espace-sciences. org
Il peut tourner autour de la Terre … ou d'une autre planète ! La Lune est le seul satellite naturel de notre planète Terre Mais par exemple, Mars en possède 2 et Jupiter plus de 60 ! Des satellites artificiels fabriqués par l'Homme et envoyés dans l'Espace au moyen de fusées tournent également autour de la Terre
- Applications Satellites | National Air and Space Museum
In the tense years of the Cold War, applications satellites evolved down two separate paths: one devoted to national security needs, the other to civilian interests
- Ariel 1 Satellite - National Air and Space Museum
This is a replica of Ariel-1 satellite, the world's first internationally conceived and executed satellite The flight model was designed and built by NASA's Goddard Space Flight Center (GSFC) and carried six British experiments designed to study the ionosphere and its relationship to solar radiation, including cosmic ray, solar emission and
- Telstar - National Air and Space Museum
The United States chose government direction and created two new institutions, COMSAT and INTELSAT, to develop satellite communcations, an arrangement that lasted for more than two decades This Telstar is a backup spacecraft to Telstar 1 and 2 (launched respectively in 1962 and 1963), transferred from the National Museum of American History to
- Three Ways Satellites Help Us Understand Our Environment
A decade later, satellite imagery revealed a huge, depleted area of the ozone layer over Antarctica This confirmed scientists' theory and provided startling evidence of human impact on a global scale In 1987, production of these hazardous gases was banned by a unanimous United Nations treaty
- Corona ITEK Collection | National Air and Space Museum
It was to launch into orbit a camera-carrying spacecraft that would take photographs of the Soviet Union and return the film to Earth The secret spy satellite was dubbed Corona by the CIA To disguise its true purpose, it was given the cover name Discoverer and described as a scientific research program
- Telstar and the World of 1962 | National Air and Space Museum
Last week, the Museum recognized the 50th anniversary of Telstar, the first “active” satellite (one that can receive a radio signal from a ground station and then immediately re-transmit it to another) and the first technology of any kind that enabled transatlantic television transmissions In 1962, both accomplishments generated intense interest, excitement, and commentary
- Satellite | Espace des sciences
Grâce aux sondes lunaires, on a pu avoir des images de la face cachée de notre satellite naturel Cette face est beaucoup plus cratérisée que celle visible depuis la Terre C'est comme si la Lune nous avait protégé de la chute de nombreux astéroïdes et météorites qui, sans elle, auraient normalement percuté notre planète
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