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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 !
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
Three Ways Satellites Help Us Understand Our Environment A young male manta ray with a satellite tag in southern Florida The tag is attached in a safe manner, so as not to hurt the animal or reduce its ability to swim Image courtesy of NOAA From the ozone to underwater life, satellites help us understand our environment In some cases, satellites enable us to take steps to protect it
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
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
The TIROS 1 Weather Satellite and Its Environmental Legacy On the evening of April 1, 1960, President Dwight Eisenhower saw the first image sent back from space by the Television InfraRed Observation Satellite (TIROS) 1 weather satellite—shaped, as some quipped, like “an enormous hatbox ”
Corona ITEK Collection - National Air and Space Museum To view items in this collection, use the Online Finding Aid In early 1958, a few months after the Soviets launched the first Sputnik, President Eisenhower authorized a top-priority reconnaissance satellite project jointly managed by the Central Intelligence Agency (CIA) and the US Air Force
Navigational Satellite, Transit 5-A - National Air and Space Museum Submarines received radio signals from a Transit satellite, whose orbit was known to great accuracy, as it passed overhead The change in frequency of the signal due to the Doppler effect told the submarine that the satellite was directly overhead The submarine commander could establish a position without having to surface and take reading on stars--the traditional method of navigation, but a