lunes, 31 de agosto de 2009

NASA

Trasbordador 'Discovery'


(Foto: NASA)
Buena suerte a todos los tripulantes del transbordador espacial "Discovery" y nuestro agradecimiento.
Información sobre el Discovery

Space Shuttle Discovery launches at the start of STS-120.
Function Manned partially re-usable launch and reentry system
Country of origin United States
Size Height 184 ft (56.1 m)
Diameter 28.5 ft (8.69 m)
Mass 4,470,000 lb (2,030 t)
Stages 2
Capacity Payload to LEO
24,400 kg (53,600 lb)
Payload to GTO
3,810 kg (8,390 lb)
Launch history Status Active Launch sites
LC-39, Kennedy Space CenterSLC-6, Vandenberg AFB (unused)
Total launches
128
Successes
127
Failures
1 (launch failure, Challenger)
Other
1 (re-entry failure, Columbia)
Maiden flight
April 12, 1981
Notable payloads
International Space Station componentsHubble Space TelescopeGalileoMagellanChandra X-ray ObservatoryCompton Gamma Ray Observatory
Boosters (Stage 0) - Solid Rocket Boosters
No boosters 2
Engines 1 solid
Thrust 2,800,000 lbf each, sea level liftoff (12.5 MN)
Specific impulse
269 s
Burn time 124 s
Fuel solid
First stage - External Tank
Engines (none)(3 SSMEs located on Orbiter) Thrust 1,225,704 lbf total, sea level liftoff (5.45220 MN)
Specific impulse 455 s
Burn time 480 s
Fuel LOX/LH2
Second stage - Orbiter
Engines 2 OME
Thrust 53.4 kN combined total vacuum thrust (12,000 lbf)
Specific impulse 316 s
Burn time 1250 s
Fuel MMH/N2O4
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