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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 satellites and similar ones intended for non-military uses such as environmental monitoring, meteorology, cartography and others. The most common type are Earth imaging satellites, that take satellite images, analogous to aerial photographs; some EO satellites may perform remote sensing without forming pictures, such as in GNSS radio occultation. The first occurrence of satellite remote sensing can be dated to the launch of the first artificial satellite, Sputnik 1, by the Soviet Union on October 4, 1957. Sputnik 1 sent back radio signals, which scientists used to study the ionosphere. The United States Army Ballistic Missile Agency launched the first American satellite, Explorer 1, for NASA's Jet Propulsion Laboratory on January 31, 1958. The information sent back from its radiation detector led to the discovery of the Earth's Van ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
A-Train W-Time2013 Web
is a series of Business simulation game, business simulation video games developed and published by Japanese game developer Artdink in Japan. The first game in the series was published in 1985. The first release in the United States was ''Take the A-Train II'', published in 1988 by the Seika Corporation under the title ''Railroad Empire''. However, the most well known U.S. release is ''Take the A-Train III'', published in 1992 by Maxis as simply ''A-Train''. There is also the spin-off title ''C.E.O. (video game), C.E.O.'' __TOC__ A-Train The first iteration of the A-Train series was released in December 1985 for the FM-7, NEC PC-8801, NEC PC-9801, Sharp X1, X1 Turbo, Sharp MZ, MZ-2500, Famicom, and MSX2. A Microsoft Windows port followed in April 2000. A-Train II The second iteration of the A-Train series was released in July 1988 for the NEC PC-9801 and X68000. In the US, it was released under the name ''Railroad Empire''. A-Train III ''Take the A-Train III'' (known int ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Television Infrared Observation Satellite
Television InfraRed Observation Satellite (TIROS) is a series of early weather satellites launched by the United States, beginning with TIROS-1 in 1960. TIROS was the first satellite that was capable of remote sensing of the Earth, enabling scientists to view the Earth from a new perspective: space. The program, promoted by Harry Wexler, proved the usefulness of satellite weather observation, at a time when military reconnaissance satellites were secretly in development or use. TIROS demonstrated at that time that "the key to genius is often simplicity". TIROS is an acronym of "Television InfraRed Observation Satellite" and is also the plural of "tiro" which means "a young soldier, a beginner". The Advanced Research Projects Agency (now DARPA) initiated the TIROS program in 1958 and transferred the program to the National Aeronautics and Space Administration (NASA) in 1959. Participants in the TIROS program also included, Signal Corps (United States Army), United States Army S ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
DubaiSat-1
DubaiSat-1 () is a remote sensing Earth observation satellite built by the ''Mohammed bin Rashid Space Centre (MBRSC)'' under an agreement with Satrec Initiative, a satellite manufacturing company in South Korea. DubaiSat-1 was launched on 29 July 2009 into a 680 km altitude Sun-synchronous polar orbit from the Baikonur launch site in Kazakhstan, along with several other satellites on board the Dnepr launch vehicle. Overview DubaiSat-1 observes the earth at a Low Earth orbit (LEO) and generates high-resolution optical images at 2.5 m in panchromatic (black-and-white) and at 5 m in multispectral (colour) bands. These images provide decision makers in the UAE as well as MBRSC clients with a valuable tool for a wide range of applications including infrastructure Infrastructure is the set of facilities and systems that serve a country, city, or other area, and encompasses the services and facilities necessary for its economy, households and firms to function. Infra ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Soil Moisture And Ocean Salinity Satellite
Soil Moisture and Ocean Salinity (SMOS) is a satellite which forms part of ESA's Living Planet Programme. It is intended to provide new insights into Earth's water cycle and climate. In addition, it is intended to provide improved weather forecasting and monitoring of snow and ice accumulation.ESA's water mission SMOS European Space AgencySMOS Project Team The Soil Moisture and Ocean Salinity (SMOS) Mission European Space AgencySMOS Special Issue of ESA Bulleti [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Proba-2
PROBA-2 is the second satellite in the European Space Agency's series of PROBA low-cost satellites that are being used to validate new spacecraft technologies while also carrying scientific instruments. PROBA-2 is a small satellite (130 kg) developed under an ESA General Support Technology Program (GSTP) contract by a Belgian consortium led by Verhaert (now QinetiQ Space) of Kruibeke, Belgium. The nominal mission duration was two years. As of 2022, the mission continues. Mission summary It was launched on 2 November 2009, with the Rockot launch system together with ESA's SMOS mission. The platform was launched in a Sun-synchronous orbit low Earth orbit (altitude of 725 km). PROBA-2 contains five scientific instruments. Two of them are designated to observe the Sun: "The Sun Watcher using APS and Image Processing" ( SWAP, an EUV imager) and the "Large Yield Radiometer" (LYRA), a radiometer made of diamond photodiodes. The Principal investigator teams of both instrum ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
PROBA
Proba may refer to: ; people * Faltonia Betitia Proba, fourth-century Latin poet * Anicia Faltonia Proba, her niece and the recipient of letters from Saint Augustine and Saint John Chrysostom ; places * Próba, Łódź Voivodeship, village in the administrative district of Gmina Brzeźnio, within Sieradz County, Łódź Voivodeship, in central Poland. * Proba, Leningrad Oblast, settlement in Russia ; other uses * ''Proba'' (bug), a genus of insects in the tribe Mirini * PROBA, a series of low-cost satellites from the European Space Agency {{Disambiguation ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
EUMETSAT
The European Organisation for the Exploitation of Meteorological Satellites (EUMETSAT) is an intergovernmental organisation created through an international convention agreed by a current total of 30 European Member States. EUMETSAT's primary objective is to establish, maintain and exploit European systems of operational meteorological satellites. EUMETSAT is responsible for the launch and operation of the satellites and for delivering satellite data to end-users as well as contributing to the operational monitoring of climate and the detection of global climate changes. The activities of EUMETSAT contribute to a global meteorological satellite observing system coordinated with other space-faring states. Satellite observations are an essential input to numerical weather prediction systems and also assist the human forecaster in the diagnosis of potentially hazardous weather developments. Of growing importance is the capacity of weather satellites to gather long-term measure ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
MetOp
MetOp (Meteorological Operational satellite) is a series of three polar-orbiting meteorological satellites developed by the European Space Agency (ESA) and operated by the European Organisation for the Exploitation of Meteorological Satellites (EUMETSAT). The satellites form the space segment component of the overall EUMETSAT Polar System (EPS), which in turn is the European half of the EUMETSAT / NOAA Initial Joint Polar System (IJPS). The satellites carry a payload comprising 11 scientific instruments and two which support Cospas-Sarsat Search and Rescue services. In order to provide data continuity between MetOp and NOAA Polar Operational Environmental Satellites (POES), several instruments are carried on both fleets of satellites. MetOp-A, launched on 19 October 2006, was Europe's first polar orbiting satellite used for operational meteorology. With respect to its primary mission of providing data for Numerical Weather Prediction, studies have shown that ''MetOp-A'' data ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
European Space Agency
The European Space Agency (ESA) is a 23-member International organization, international organization devoted to space exploration. With its headquarters in Paris and a staff of around 2,547 people globally as of 2023, ESA was founded in 1975 in the context of European integration. Its 2025 annual budget was €7.7 billion. The ESA Human and Robotic Exploration programme includes human spaceflight (mainly through participation in the International Space Station programme); as well as the launch and operation of missions to Mars and Moon. Further activities include science missions to Jupiter, Mercury, the Sun, Earth observation, Asteroid impact avoidance and Telecommunications missions, designing launch vehicles; and maintaining Europe's Spaceport, the Guiana Space Centre at Kourou (French Guiana). Further programmes include space safety, satellite navigation, applications and commercialisation. The main European launch vehicle Ariane 6 is operated through Arianespace ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Envisat
Envisat ("Environmental Satellite") is a large Earth-observing satellite which has been inactive since 2012. It is still in orbit and considered space debris. Operated by the European Space Agency (ESA), it was the world's largest civilian Earth observation satellite. It was launched on 1 March 2002 aboard an Ariane 5 from the Guyana Space Centre in Kourou, French Guiana, into a Sun synchronous polar orbit at an altitude of 790 ± 10 km. It orbits the Earth in about 101 minutes, with a repeat cycle of 35 days. After losing contact with the satellite on 8 April 2012, ESA formally announced the end of Envisat's mission on 9 May 2012. Envisat cost 2.3 billion Euro (including 300 million Euro for 5 years of operations) to develop and launch. The mission has been replaced by the Sentinel series of satellites. The first of these, Sentinel 1, has taken over the radar duties of Envisat since its launch in 2014. Mission Envisat was launched as an Earth observation ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
European Remote-Sensing Satellite
European Remote Sensing satellite (ERS) was the European Space Agency's first Earth-observing satellite programme using a polar orbit. It consisted of two satellites, ERS-1 and ERS-2, with ERS-1 being launched in 1991. ERS-1 ERS-1 launched 17 July 1991 from Guiana Space Centre aboard an Ariane 4 rocket. The satellite was put into a Sun-synchronous polar orbit at an altitude of 782–785 km. ERS-1 failed on 10 March 2000 after nine years in orbit. Instruments ERS-1 carried an array of Earth-observation instruments that gathered information about the Earth (land, water, ice, and atmosphere) using a variety of measurement principles. These included: * RA (Radar Altimeter) is a single frequency nadir-pointing radar altimeter operating in the Ku band. * ATSR-1 ( Along-Track Scanning Radiometer) is a 4 channel infrared radiometer and microwave sounder for measuring temperatures at the sea-surface and the top of clouds. * SAR ( synthetic-aperture radar) operating in C ba ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Reboost
A reboost is the process of boosting the altitude of an artificial satellite in Low Earth Orbit in order to delay its atmospheric re-entry due to orbital decay. See also * Orbital station-keeping In astrodynamics, orbital station-keeping is keeping a spacecraft at a fixed distance from another spacecraft or celestial body. It requires a series of orbital maneuvers made with thruster burns to keep the active craft in the same orbit as its ... * * References {{Reflist Orbital maneuvers ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
