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World Book Article on Artificial Satellites ... An artificial satellite is a manufactured object that continuously orbits Earth or some other body in space. Most artificial satellites orbit Earth.
www.nasa.gov/worldbook/artificial_satellites_worldbook.... www.nasa.gov/worldbook/artificial_satellites_worldbook.html · Cached
Satellite - Wikipedia, the free encyclopedia
In the context of spaceflight, a satellite is an object which has been placed into orbit by human endeavor. Such objects are sometimes called artificial satellites to distinguish them from natural...
en.wikipedia.org/wiki/Satellite
Timeline of artificial satellites and space probes - Wikipedia, the free encyclopedia
This Timeline of artificial satellites and space probes includes unmanned spacecraft including technology demonstrators, observatories, lunar probes, and interplanetary probes. First satellites from...
en.wikipedia.org/wiki/Timeline_of_artificial_satellites... en.wikipedia.org/wiki/Timeline_of_artificial_satellites_and_space_probes
A REPORT ON AN ARTIFICIAL EARTH SATELLITE ... In the report, Tikhonravov mentions artificial satellites, 'vertical' piloted flights, orbital stations, and missions to the Moon. The largest portion of the report is devoted to details of the first artificial Earth satellite.
www.hq.nasa.gov/office/pao/History/sputnik/russ1.html · Cached
This site is intended for students age 14 and up, and for anyone interested in learning about our universe. ... How many satellites (roughly), both active and obsolete, are currently orbiting the earth? ... Imagine Home | Ask an Astrophysicist | The Number of Artificial Satellites in Orbit...
imagine.gsfc.nasa.gov/docs/ask_astro/answers/980202e.ht... imagine.gsfc.nasa.gov/docs/ask_astro/answers/980202e.html · Cached
Relatively few people have even seen an artificial satellite for the simple reason that not many people look skywards (except when they have seen a TV feature or film on UFOs and then suddenly become sky conscious).
www.saao.ac.za/~wgssa/as3/roberts.html · Cached
The 1m telescope in our observatory can track artificial satellites. We took the images of Mir, International Space Station(ISS) and Space Shuttle : they are the limited targets we can resolve their shape. For the future, we are going to take pictures of ISS every time it will increase the modules.
www.tsm.toyama.toyama.jp/curators/aroom/satellite/index... www.tsm.toyama.toyama.jp/curators/aroom/satellite/index.htm · Cached
Any object purposely placed into orbit around Earth, other planets, or the Sun. Since the launching of the first artificial satellite in 1957, thousands of these “man-made moons” have been rocketed into Earth orbit.
encarta.msn.com/Artificial_Satellite.html encarta.msn.com/Artificial_Satellite.html
Students will learn that artificial satellites collect and return data. ... Telecommunication: used for cellular phones, long-distance phones, beepers, TV broadcasts via satellite dishes, computer connections. ECHO-1 was a plastic 30.5 m ball covered of mylar aluminized that reflected radio signals.
www.bu.edu/satellite/classroom/lesson03.html www.bu.edu/satellite/classroom/lesson03.html · Cached
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