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Satellites - National Air and Space Museum A satellite is an object that is in orbit around an object in space of a larger size Things such as the Earth's Moon or Pluto's Charon are natural satellites Humans have also created artificial satellites—human-made machines and spacecraft in orbit around our Earth or other objects in our galaxy These types of satellites have fundamentally changed humanity—such as connecting us with
Cest quoi un satellite ? | Espace des sciences C'est quoi un satellite ? GRANDES QUESTIONS C'est un objet qui tourne autour d'une planète 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 !
Telstar - National Air and Space Museum Telstar, launched in 1962, was the first active communications satellite: it received microwave signals from ground stations and retransmitted them across vast distances back to Earth
Le lancement de Spoutnik | Espace des sciences Le 4 octobre 1957 marquait le lancement du satellite Spoutnik Cinquante ans après, l'équipe du planétarium fête l'événement durant quatre séances 50 ans de l'histoire de la conquête spatiale Spoutnik signifie « compagnon de voyage » en russe
Explorer - National Air and Space Museum Explorer-1 was the United States' first successful orbiting satellite Following the failure of Vanguard in December 1957, the JPL- ABMA group was permitted to adapt the Jupiter-C reentry test vehicle to carry an instrumented satellite into earth orbit The resulting Explorer-1 satellite was successfully launched and placed into Earth orbit on January 31, 1958 Explorer-1, also known
Satellite | Espace des sciences Quand nous regardons la Lune, elle nous présente toujours la même face 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
What Can You Really See From Space? - National Air and Space Museum Most people know that satellites in orbit do useful things such as collect images of the Earth's surface At the National Air and Space Museum I use satellite images in my job to understand changes in the Earth's land surface
What are the Main Parts of a Communications Satellite? Most communications satellites have the same basic components, pointed out in this diagram: Solar cells and batteries to power the satellite systems Antennas to receive and transmit signals Transponder to alter the frequency of incoming signals (avoiding interference with outgoing signals) and to amplify signals before transmitting them back to Earth Orientation and propulsion systems to keep
Sputnik and the Space Age - National Air and Space Museum Sputnik, the world’s first human-made satellite of the Earth, was launched on October 4, 1957, marking the beginning of the Space Age and the modern world in which we live today