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- An artificial satellite is an object intentionally placed into orbit around a celestial body1. Artificial satellites are created by humans and launched into space21. They have a variety of uses, such as communication, weather, navigation, broadcasting, research, and observation1. Their orbit must be relatively stable for a long period of time to maintain the sense of "satellite"2.
Learn more:✕This summary was generated using AI based on multiple online sources. To view the original source information, use the "Learn more" links.A satellite or artificial satellite [a] is an object intentionally placed into orbit around a celestial body. Satellites have a variety of uses, including communication relay, weather forecasting, navigation (GPS), broadcasting, scientific research, and Earth observation.en.wikipedia.org/wiki/SatelliteSateliții artificiali sunt obiecte create de om, care sunt lansate în spațiu și orbitează un corp ceresc. Orbita lor trebuie să fie relativ stabilă pe o perioadă mai mare de timp pentru ca sensul de "satelit" să se păstreze.ro.wikipedia.org/wiki/Satelit_artificial - People also ask
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See all on WikipediaSatellite - Wikipedia
A satellite or artificial satellite is an object, typically a spacecraft, placed into orbit around a celestial body. They have a variety of uses, including communication relay, weather forecasting, navigation (GPS), broadcasting, scientific research, and Earth observation. Additional military uses are reconnaissance, … See more
Early proposals
The first published mathematical study of the possibility of an artificial satellite was Newton's cannonball, a thought experiment by See moreThe environmental impact of satellites is not currently well understood as they were previously assumed to be benign due to the rarity of satellite launches. However, the exponential increase and projected growth of satellite launches are bringing the issue into … See more
Orbit and altitude control
Most satellites use chemical or ion propulsion to adjust or maintain their orbit, coupled with reaction wheels to control their See moreEarth observation
Earth observation satellites are designed to monitor and survey the Earth, called remote sensing. … See moreIssues like space debris, radio and light pollution are increasing in magnitude and at the same time lack progress in national or international regulation. Space debris pose dangers to the spacecraft (including satellites) in or crossing geocentric orbits and have the … See more
• ‹The template Curlie is being considered for deletion.› Satellite at Curlie
• EO Portal directory Archived 23 September 2013 at the Wayback Machine See moreWikipedia text under CC-BY-SA license Satellite (artificial) - Simple English Wikipedia, the free encyclopedia
WEBA satellite is an object that orbits another object. In space, satellites may be natural, or artificial. The moon is a natural satellite that orbits the Earth. Most artificial satellites also …
Timeline of artificial satellites and space probes - Wikipedia
This timeline of artificial satellites and space probes includes uncrewed spacecraft including technology demonstrators, observatories, lunar probes, and interplanetary probes. First satellites from each country are included. Not included are most Earth science satellites, commercial satellites or crewed missions.
Wikipedia · Text under CC-BY-SA licenseSputnik 1 - Wikipedia
WEBSputnik 1 (/ ˈ s p ʌ t n ɪ k, ˈ s p ʊ t n ɪ k /, Russian: Спутник-1, Satellite 1) was the first artificial Earth satellite.It was launched into an elliptical low Earth orbit by the Soviet Union on 4 October 1957 as part of the Soviet …
Artificial satellites - Science Learning Hub
See more on sciencelearn.org.nzSatellites vary in size. Some cube satellitesare as small as 10 cm. Some communication satellites are about 7 m long and have solar panels that extend another 50 m. The largest artificial satellite is the International Space Station (ISS). The main part of this is as big as a large five-bedroom house, but includin…Sputnik | Satellites, History, & Facts | Britannica
WEBSep 11, 2024 · Sputnik, any of a series of three artificial Earth satellites, the first of whose launch by the Soviet Union on October 4, 1957, inaugurated the space age. Sputnik 1, the first artificial satellite launched, was a 83.6 …
What is a satellite? | Space
WEBJan 17, 2022 · Every usable artificial satellite — whether it's a human or robotic one — has four main parts to it: a power system (which could be solar or nuclear, for example), a way to control its ...
What is a satellite? - NASA
WEBSep 5, 2018 · A satellite is a body that orbits around another body in space. There are two different types of satellites – natural and man-made. Examples of natural satellites are …
Sputnik and The Dawn of the Space Age - NASA
WEBThe world's first artificial satellite was about the size of a beach ball (58 cm.or 22.8 inches in diameter), weighed only 83.6 kg. or 183.9 pounds, and took about 98 minutes to orbit …
List of Earth observation satellites - Wikipedia
WEB87 rows · Earth observation satellites are Earth-orbiting spacecraft with sensors used to collect imagery and measurements of the surface of the earth. These satellites are used to monitor short-term weather, long …
How do satellites work? - Explain that Stuff
WEBJun 6, 2022 · An easy-to-understand look at how space satellites work, including the different orbits they follow through the sky and their use in global communications.
Artificial Satellite | Encyclopedia.com
WEBMay 17, 2018 · artificial satellite [1], object constructed by humans and placed in orbit around the earth or other celestial body (see also space probe [2]). The satellite is lifted …
65 Years Ago: Sputnik Ushers in the Space Age - NASA
WEBOn Oct. 4, 1957, the Soviet Union inaugurated the Space Age with the launch of Sputnik, the world’s first artificial satellite. Launched as a contribution to the International …
Sputnik 1: World's 1st Artificial Satellite Explained (Infographic ...
WEBOn Oct. 4, 1957, the Soviet Union stunned the world with its surprise launch of Sputnik 1. See how the historic satellite launch worked in this SPACE.com infographic.
NASA | History - Sputnik
WEBThe world's first artificial satellite was about the size of a beach ball (58 cm.or 22.8 inches in diameter), weighed only 83.6 kg. or 183.9 pounds, and took about 98 minutes to orbit …
Communications satellite - Wikipedia
WEBA communications satellite is an artificial satellite that relays and amplifies radio telecommunication signals via a transponder; it creates a communication channel …
Artificial Satellite - an overview | ScienceDirect Topics
WEBSep 22, 1998 · An artificial satellite is a manmade object launched into space to orbit around a planet, used for various purposes such as communication, weather reports, …
Space Stations Sep 4, 2010 Stellar Evolution Mar 27, 2001 Space Shuttle Orbiters Dec 6, 1995 Planetary Orbit Aug 3, 1981 Satellite - Wikiwand articles
WEBA satellite or artificial satellite is an object, typically a spacecraft, placed into orbit around a celestial body. Satellites have a variety of uses, including communication relay, weather …
What IS a Satellite? | NESDIS
WEBMay 20, 2016 · NOAA's DSCOVR satellite is the United States’ first operational deep space satellite. NOAA currently operates 15 operational environmental and meteorological …
Satellite communication | Definition, History, & Facts | Britannica
WEBSep 4, 2024 · satellite communication, in telecommunications, the use of artificial satellites to provide communication links between various points on Earth. Satellite …
Natural satellite - Wikipedia
WEBA natural satellite is, in the most common usage, an astronomical body that orbits a planet, dwarf planet, or small Solar System body (or sometimes another natural satellite). …
artificial satellite - Wikidata
WEBhuman-made object put into an orbit. This page was last edited on 18 September 2024, at 19:00. All structured data from the main, Property, Lexeme, and EntitySchema …
Artificial satellites in retrograde orbit - Wikipedia
WEBThese reconnaissance satellites complete one Earth orbit every 90 minutes and initially make about six daylight passes per day over Israel and the surrounding countries, …
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