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This is an accepted version of this page This is the latest accepted revision, reviewed on 7 February 2025. Inhabited space station in low Earth orbit (1998–present) "ISS" redirects here. For other uses, see ISS (disambiguation). International Space Station (ISS) Oblique underside view in November 2021 International Space Station programme emblem with flags of the original signatory states ...
Earth's atmosphere photographed from the International Space Station.The orange and green line of airglow is at roughly the altitude of the Kármán line. [1]The Kármán line (or von Kármán line / v ɒ n ˈ k ɑːr m ɑː n /) [2] is a conventional definition of the edge of space; it is widely but not universally accepted.
The International Space Station is in LEO about 400 to 420 kilometres (250 to 260 mi) above the Earth's surface. [14] The station’s orbit decays by about 2 km/month (1.2 mi/month) and consequently needs re-boosting a few times a year. The Iridium telecom satellites orbit at about 780 km (480 mi).
The human naked eye has an angular resolution of approximately 280 microradians [17] (μrad) (approx 0.016° or 1 minute of arc), and the ISS targets an altitude of 400 km. [18] Using basic trigonometric relations, this means that an astronaut on the ISS with 20/20 vision could potentially detect objects that are 112 m or greater in all ...
The International Space Station (ISS) whizzes around Earth at nearly 18,000. mph. NASA/Reuters The space station is whizzing around Earth at about five miles per second (18,000 mph), according to ...
High Earth orbit: geocentric orbits above the altitude of geosynchronous orbit (35,786 km or 22,236 mi). [8] For Earth orbiting satellites below the height of about 800 km, the atmospheric drag is the major orbit perturbing force out of all non-gravitational forces. [11]
International Space Station mockup at Johnson Space Center in Houston, Texas. The space station is located in orbit around the Earth at an altitude of approximately 410 km (250 mi), a type of orbit usually termed low Earth orbit (the actual height varies over time by several kilometers due to atmospheric drag and reboosts).
A tale of survival has been unfolding miles away from earth aboard the International Space Station (ISS). Nearly 250 miles above our planet, NASA astronauts Butch Wilmore, 61, and Sunita Williams ...