
Mission Briefing

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Mission preview - A look at the Gravity Probe-B project and objectives.

Launch timeline - Chart with times and descriptions of events to occur during the launch.

Ground track - See the trajectory the rocket will follow during its flight.

GP-B - A technical look at the spacecraft.

The experiment - Learn how GP-B will carry out its experiment.

Einstein's theory - An introduction to general relativity.

Delta 2 rocket - Overview of the Delta 2 7920-model rocket used to launch GP-B.

SLC-2W - The launch complex where Delta rockets fly from Vandenberg AFB.

Delta directory - See our coverage of previous Delta rocket flights.


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Delta 2 launch ground track
SPACEFLIGHT NOW Posted: April 17, 2004
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