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  • Thumbnail for Satellite
    A satellite or artificial satellite is an object in space, typically a spacecraft, placed into orbit around a celestial body. Satellites have a variety...
    59 KB (6,256 words) - 22:39, 19 May 2024
  • Thumbnail for Satellite imagery
    Satellite images (also Earth observation imagery, spaceborne photography, or simply satellite photo) are images of Earth collected by imaging satellites...
    25 KB (2,722 words) - 10:18, 1 May 2024
  • Thumbnail for Earth observation satellite
    An Earth observation satellite or Earth remote sensing satellite is a satellite used or designed for Earth observation (EO) from orbit, including spy...
    15 KB (1,586 words) - 12:16, 1 April 2024
  • Thumbnail for Sputnik 1
    ˈspʊtnɪk/, Russian: Спутник-1, Satellite 1) was the first artificial Earth satellite. It was launched into an elliptical low Earth orbit by the Soviet Union...
    79 KB (8,476 words) - 03:04, 5 May 2024
  • Satellite of Earth may refer to: Moon, the natural satellite of Earth Artificial satellites orbiting the Earth This disambiguation page lists articles...
    148 bytes (50 words) - 16:06, 10 October 2020
  • Thumbnail for Communications satellite
    A communications satellite is an artificial satellite that relays and amplifies radio telecommunication signals via a transponder; it creates a communication...
    49 KB (5,935 words) - 22:27, 25 April 2024
  • Thumbnail for Claimed moons of Earth
    the existence of other moons of Earth—that is, of one or more natural satellites with relatively stable orbits of Earth, other than the Moon—have existed...
    35 KB (3,849 words) - 03:19, 2 March 2024
  • Thumbnail for Satellite constellation
    A satellite constellation is a group of artificial satellites working together as a system. Unlike a single satellite, a constellation can provide permanent...
    25 KB (1,802 words) - 06:41, 27 April 2024
  • Thumbnail for Satellite geodesy
    Satellite geodesy is geodesy by means of artificial satellites—the measurement of the form and dimensions of Earth, the location of objects on its surface...
    21 KB (2,338 words) - 20:20, 13 April 2024
  • This timeline of artificial satellites and space probes includes uncrewed spacecraft including technology demonstrators, observatories, lunar probes,...
    68 KB (752 words) - 09:10, 9 May 2024
  • 25. Most of the artificial objects in outer space are in LEO, with an altitude never more than about one-third of the radius of Earth (or about 2000 kilometers)...
    19 KB (2,129 words) - 04:48, 17 May 2024
  • Thumbnail for Starlink
    launching Starlink satellites in 2019. As of early March 2024, it consists of over 6,000 mass-produced small satellites in low Earth orbit (LEO) that communicate...
    262 KB (22,201 words) - 03:50, 21 May 2024
  • The Earth Observing System (EOS) is a program of NASA comprising a series of artificial satellite missions and scientific instruments in Earth orbit designed...
    29 KB (1,997 words) - 14:56, 22 December 2023
  • Thumbnail for CORONA (satellite)
    1972. In 1957, the Soviet Union launched Sputnik 1, the first artificial Earth satellite. Officially, Sputnik was launched to correspond with the International...
    81 KB (5,885 words) - 21:40, 10 May 2024
  • Thumbnail for Soviet rocketry
    which resulted in the launch of Sputnik 1 in 1957, the first artificial Earth satellite ever launched. Russian involvement in rocketry began in 1903 when...
    56 KB (7,494 words) - 03:12, 8 March 2024
  • operated artificial satellites. In addition, some countries have only attained a suborbital spaceflight, and have yet to launch a satellite into orbit...
    41 KB (564 words) - 17:22, 15 March 2024
  • multirole fighter aircraft Nuclear weapons program Sputnik 1 artificial Earth satellite Typhoon submarine Vostok programme human spaceflight project Nuclear...
    3 KB (364 words) - 23:04, 14 May 2024
  • Thumbnail for Quasi-satellite
    quasi-satellite of Pluto every 2.4 Myr and remains in that configuration for nearly 350,000 years. Artificial satellite Natural satellite Satellite system...
    14 KB (1,585 words) - 01:00, 18 April 2024
  • Thumbnail for List of Earth observation satellites
    Earth observation satellites are Earth-orbiting spacecraft with sensors used to collect imagery and measurements of the surface of the earth. These satellites...
    38 KB (1,190 words) - 13:05, 10 May 2024
  • Thumbnail for Terra (satellite)
    Terra's orbit around the Earth. Earth is not shown. Aqua (satellite) Artificial structures visible from space Aura (satellite) "NASA: TERRA (EOS AM-1)"...
    11 KB (1,001 words) - 12:05, 5 April 2024
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