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The Corrective Optics Space Telescope Axial Replacement (COSTAR) is an optical correction instrument designed and built by NASA. It was created to correct the spherical aberration of the Hubble Space Telescope ' s primary mirror , which incorrectly focused light upon the Faint Object Camera (FOC), Faint Object Spectrograph (FOS), and Goddard ...
On a normal (low-orbit) mission to the ISS, the risk was approximately 1 in 300, but the Hubble telescope repair mission was flown at the higher orbital altitude of 560 km (350 mi) where the risk was initially calculated at a 1-in-185 (due in part to the 2009 satellite collision). A re-analysis with better debris numbers reduced the estimated ...
Orbital replacement units are parts of the main systems and subsystems of the external elements of the ISS. Affecting the control of the cooling system, the movement and control of the solar arrays and SARJ as well as the flow of power throughout the station from solar arrays to the heat rejection system as part of the External Active Thermal Control System (EATCS).
The Hubble Space Telescope (HST or Hubble) is a space telescope that was launched into low Earth orbit in 1990 and remains in operation. It was not the first space telescope, but it is one of the largest and most versatile, renowned as a vital research tool and as a public relations boon for astronomy.
Wavelength sensitivity of Hubble, Webb, Roman, and other major observatories The Hubble Space Telescope, one of the Great Observatories. A space telescope (also known as space observatory) is a telescope in outer space used to observe astronomical objects.
Gutter cleaner may also refer to: Detergent, made to clean pipes; Pipe cleaner, a short stiff cotton rod to clean a smoker's pipe, but commonly used to dislodge waste in household pipes; Gully emptier, a person or machine that cleans gullies or gutters; Street sweeper, a person or machine that sweeps gullies or gutters
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