Delta-II/Gravity-B probe launch from Vandenberg AFB, April 20, 2004
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The Gravity-B probe was launched from Vandenberg Air Force Base on April 20, 2004. It will verify whether the magnitude of warping of the space-time continuum caused by the rotation of the Earth is properly predicted by Einstein's General Theory of Relativity.
Six solid fuel boosters ignite and the Delta-II Rocket rises from the pad at 23 seconds after 9:57 A.M.
Three solid fuel boosters ignite one minute and ten seconds after launch as the Delta-II arcs over toward the south.
Two frame composite, wide-angle view of the departing rocket.
Three frame composite, wide-angle view of the departing rocket.
Eighty- two minutes after launch the Gravity-B probe was placed into the proper orbit.
More Vandenberg AFB launch photography.
Link to Stanford's Gravity-B Probe web site.
Link to Boeing's Delta-II page.
Link to the Air Force Fact Sheet about the Delta-II.
The home page of the 30th Space Wing
Brian Webb's Space Archive Page provides launch schedule and ham radio information.
Send a message to Brian .