Friday, August 17, 2012

Hubble Telescope

Hubble Space Telescope
The Hubble Space Telescope as seen from the departing Space Shuttle Atlantis, flying Servicing Mission 4 (STS-125), the fifth and final human spaceflight to visit the observatory.
General information
NSSDC ID 1990-037B
Organization NASA / ESA / STScI
Launch date April 24, 1990, 8:33:51 am EDT[1][2]
Launch vehicle Space Shuttle Discovery (STS-31)
Mission length 22 years, 3 months and 23 days elapsed
Deorbited due ~2013–2021[3][4]
Mass 11,110 kg (24,500 lb)
Type of orbit Near-circular low Earth orbit
Orbit height 559 km (347 mi)
Orbit period 96–97 minutes (14–15 periods per day)
Orbit velocity 7,500 m/s (25,000 ft/s)
Acceleration due to gravity 8.169 m/s2 (26.80 ft/s2)
Location Low Earth orbit
Telescope style Ritchey–Chrétien reflector
Wavelength visible light, ultraviolet, near-infrared
Diameter 2.4 m (7 ft 10 in)
Collecting area 4.5 m2 (48 sq ft)[5]
Focal length 57.6 m (189 ft)
NICMOS infrared camera/spectrometer
ACS optical survey camera
(partially failed)
WFC3 wide field optical camera
COS ultraviolet spectrograph
STIS optical spectrometer/camera
FGS three fine guidance sensors

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