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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 !
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
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 ionospheric experiments This first in a series of
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
Antennas, Model, Satellite, Hawkeye 360 - National Air and Space Museum These are the antennas for a full-scale model of the first HawkEye 360 satellite launched in December 2018, one of 18 satellites that will orbit in clusters of three in the first commercial constellation to intercept and geolocate radio signals in the very high, ultra high, and super high frequency bands These signals are used by many radars, land and maritime mobile communications devices
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
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