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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
  • 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
  • Satellite, Communications, Sirius FM-4 - National Air and Space Museum
    This satellite represents the first generation of space-based, commercial radio service developed by Sirius Radio, a U S company (now Sirius XM Radio) Designed in 1987 and initiating service in 2001, the Sirius satellite system consisted of three satellites that provided more than 150 digital music and audio channels to North America Their inclined geosynchronous orbits were a distinctive
  • What Can You Really See From Space? - National Air and Space Museum
    What Can You Really See From Space? 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 Today millions of people are acquainted with satellite imagery on internet map
  • Moon (Earth) - National Air and Space Museum
    Satellites" Earth is trying to sleep but the Satellites keep bothering Earth with noisy signals They are talking in all different languages and sending all kinds of information More Grade Level Grade PK, Grade 1, Grade K, Grade 2, and Grade 3 Topics Moon (Earth), Satellites, and Spaceflight Leader Student, Teacher, and Parent Caregiver Rights
  • The Space Race - National Air and Space Museum
    The Space Race grew out of a conflict known as the Cold War While not a war in the traditional sense, the two countries were in a state of military and political tension that lasted nearly 50 years and were involved in proxy wars such as the war in Vietnam
  • Venus - National Air and Space Museum
    Earth's natural satellite is the Moon, but many objects in our Solar System have multiple natural satellites Humans have also created artificial satellites—human-made machines and spacecraft in orbit around our Earth or other objects in our galaxy
  • Echo 1 Communications Satellite - National Air and Space Museum
    Echo satellites, manufactured by the G T Schjeldahl Co , posed a unique technical challenge They were sent into orbit folded flat and then inflated in space Inflation had to proceed carefully to ensure the integrity of the satellite's "balloon" surface This one is a flight spare folded in its launch canister
  • What Makes a Moon a Moon? | National Air and Space Museum
    A moon is a planetary body that goes around another planetary body Usually, this is one or more moons going around a planet, but it doesn’t have to be a planet In Star Wars, the Death Star is not a moon because it isn’t a naturally occurring satellite: the International Space Station, the Juno spacecraft orbiting Jupiter, or any of the telecommunications satellites we rely on in low
  • Tracking and Data Relay Satellite - National Air and Space Museum
    During the first decades of the Space Age, NASA required a worldwide network of ground stations to communicate with satellites and human-operated spacecraft The Tracking and Data Relay Satellite (TDRS) system, a constellation of three spacecraft placed into geosynchronous orbit beginning in 1983, was designed to replace this expensive, far-flung system Positioned equidistant in orbit, they





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