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Mar 26, 2004
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KENNEDY SPACE CENTER, FLA. -- The Gravity Probe B spacecraft is in NASA’s Payload Processing Facility 1610 on North...
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Mar 26, 2004
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KENNEDY SPACE CENTER, FLA. -- The Gravity Probe B spacecraft is in NASA’s Payload Processing Facility 1610 on North...
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Mar 26, 2004
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KENNEDY SPACE CENTER, FLA. -- A closeup of the top of the Gravity Probe B spacecraft in NASA’s Payload Processing...
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Mar 26, 2004
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KENNEDY SPACE CENTER, FLA. -- A closeup of the Gravity Probe B spacecraft in NASA’s Payload Processing Facility 1610...
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Mar 26, 2004
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KENNEDY SPACE CENTER, FLA. -- The Gravity Probe B spacecraft is in NASA’s Payload Processing Facility 1610 on North...
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Oct 30, 2003
KENNEDY SPACE CENTER, FLA. - This seal illustrates the mission of the Gravity Probe B spacecraft and the organizations who developed the experiment: Stanford University, NASA’s Marshall Space Flight Center and Lockheed Martin. The Gravity Probe B mission will test the theory of curved spacetime and "frame-dragging," depicted graphically in the lower half, that was developed by Einstein and other scientists. Above the graphic is a drawing of GP-B circling the Earth.
KENNEDY SPACE CENTER, FLA. - This seal illustrates the mission of the Gravity Probe B spacecraft and the...
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Nov 10, 2003
VANDENBERG AFB, CALIF. - In the NASA spacecraft processing facility on North Vandenberg Air Force Base, Dr. Francis Everitt, principal investigator, and Brad Parkinson, co-principal investigator, both from Stanford University, hold one of the small gyroscopes used in the Gravity Probe B spacecraft. The GP-B towers behind them. The Gravity Probe B mission is a relativity experiment developed by NASA’s Marshall Space Flight Center, Stanford University and Lockheed Martin. The spacecraft will test two extraordinary predictions of Albert Einstein’s general theory of relativity that he advanced in 1916: the geodetic effect (how space and time are warped by the presence of the Earth) and frame dragging (how Earth’s rotation drags space and time around with it). Gravity Probe B consists of four sophisticated gyroscopes that will provide an almost perfect space-time reference system. The mission will look in a precision manner for tiny changes in the direction of spin.
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Dec 8, 2017
Preparing For Antarctic Flights in the California Desert
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Jul 12, 2003
Gravity Probe B
Enclosed in a canister, the Gravity Probe B (GP-B) spacecraft arrives on Vandenberg Air Force Base, headed for the...
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Jul 12, 2003
Gravity Probe B
At Vandenberg AFB, the canister enclosing the Gravity Probe B (GP-B) spacecraft is removed from the transporter....
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Mysterious Roving Rocks of Racetrack Playa
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Jul 11, 2003
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VANDENBERG AFB, CALIF. - Enclosed in a canister, the Gravity Probe B (GP-B) spacecraft arrives at the spacecraft...
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Dec 8, 2017
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Dec 8, 2017
Sun Unleashes Mid-level Flare
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Sun Emits an X2.2 Flare on March 11, 2015
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A Significant Flare Surges Off the Sun
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Dec 8, 2017
NASA’s Solar Dynamics Observatory Captured Trio of Solar Flares April 2-3
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Dec 8, 2017
Sun Emits Mid-Level Flare on October 2, 2014
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NASA's SDO Observes an X-class Solar Flare
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Dec 8, 2017
Giant Sunspot Erupts on October 24, 2014
SDO AIA image of the X3.1 flare in 131 angstrom light from 21:43 UT on October 24, 2014. Credit:NASA/SDO More info:...
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Dec 8, 2017
NASA's SDO Shows Images of Significant Solar Flare
Caption: An X-class solar flare erupted on the left side of the sun on the evening of Feb. 24, 2014. This composite...
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Dec 8, 2017
X-class Solar Flare on March 29, 2014
Extreme ultraviolet light streams out of an X-class solar flare as seen in this image captured on March 29, 2014, by...
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Dec 8, 2017
X-class Solar Flare on March 29, 2014
Extreme ultraviolet light streams out of an X-class solar flare as seen in this image captured on March 29, 2014, by...
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