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Shuttle Flight Fact Sheet
T+ 08:30 minutes
The three main engines are cut off, the external tank is dropped, and the orbiter follows a low elliptical orbit. 
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T+45:00 minutes
OMS engines are fired to put the shuttle in a stableorbit. 
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T+02:04 minutes
The solid rockets exhaust their fuel, detach, and fall into the ocean. The three main engines continue to fire. 
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During orbit, the payload bay doors are open. 
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T-00:00
Solid rockets are ignited and the shuttle lifts off. Shuttle clears the launch pad six seconds later. 
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The shuttle reenters the atmosphere.
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T-:07 seconds
Computers command the shuttles three main engines to start. 
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T-2 hours
Astronauts board the shuttle and prepare for launch. 
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It lands like an airplane!

07/10/96    Chapter 3 fact sheet