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The Space Shuttle is a retired, partially reusable low Earth orbital spacecraft system operated from 1981 to 2011 by the U.S. National Aeronautics and Space Administration (NASA) as part of the Space Shuttle program. Its official program name was Space Transportation System (STS), taken from a 1969 plan for a system of reusable spacecraft where ...
The boundary between space and Earth, at an altitude of 100 km, roughly where the yellow line of airglow is visible. Outer space (or simply space) is the expanse beyond celestial bodies and their atmospheres. It contains ultra-low levels of particle densities, constituting a near-perfect vacuum [1] of predominantly hydrogen and helium plasma ...
Space industry. A batch of 60 Starlink satellites in space, which is launched and made by SpaceX. Space industry refers to economic activities related to manufacturing components that go into outer space (Earth's orbit or beyond), delivering them to those regions, and related services. [1] [2] Owing to the prominence of the satellite-related ...
4 September 1975. ( 1975-09-04) –. 12 November 1977. ( 1977-11-12) Space: 1999 is a British science-fiction television programme that ran for two series from 1975 to 1977. [2] In the premiere episode, set in the year 1999, nuclear waste stored on the Moon's far side explodes, knocking the Moon out of orbit and sending it, as well as the 311 ...
LandSpace Technology Corporation ( doing business as LandSpace) [4] [5] is a Chinese commercial space launch provider based in Beijing. [6] It was founded in 2015 by Zhang Changwu. [6] [7] As of July 2023, the company's Zhuque-2 rocket became the first methane-fueled orbital launch vehicle in the world after reaching orbit on its second flight.
Community portal – The central hub for editors, with resources, links, tasks, and announcements. Village pump – Forum for discussions about Wikipedia itself, including policies and technical issues. Site news – Sources of news about Wikipedia and the broader Wikimedia movement. Teahouse – Ask basic questions about using or editing ...
State-space representation. In control engineering and system identification, a state-space representation is a mathematical model of a physical system specified as a set of input, output, and variables related by first-order differential equations or difference equations. Such variables, called state variables, evolve over time in a way that ...
The Central Division is one of the three divisions in the Eastern Conference of the National Basketball Association (NBA). The division consists of five teams, the Chicago Bulls, the Cleveland Cavaliers, the Detroit Pistons, the Indiana Pacers, and the Milwaukee Bucks. All teams except the Cavaliers are former Midwest Division teams; thus, the ...