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ScienceShuttles2
Question | Answer |
---|---|
SRB-provides majority of _______for lift off | thrust |
lift off | get off the ground where gravity is the greatest |
ET-light weight rocket to continue the flight into the_________ | upper atmosphere |
thrust | a forward force that pushes an object |
takes only ________ to clear launch pad | 6 seconds |
SRB- burns all fuel in_________ & drops into the ocean | 2 minutes |
ET burns all fuel in ___________ | 8 minutes |
orbiter uses its _____________ to position itself into the earth's orbit | own fuel |
5 purposes of the shuttle: | 1.reusable spacecraft 2.carry large payloads 3.build the ISS 4. take men & equipment to and from ISS 5. provide man-power to the ISS |
payload | cargo |
ISS | International Space Station |
4 original shuttles to orbit the earth | Columbia 1981(1st); Challenger 1983; Discovery 1984; Atlantis 1985 |
Shuttles buildt to endure many_________and ___________. | launches and re-entries |
Shuttles are due for retirement in__________. | 2010 |
ISS is due for completion in_________. | 2010 |
NASA is BEHIND with the scheduled retirement cause ISS is NOT completely finished. | TRUE |