NASA Gallery

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CAPE CANAVERAL, Fla. – Michael Luther, deputy associate administrator of NASA's Science Mission Directorate? at NASA...

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CAPE CANAVERAL, Fla. – The engines ignite under the United Launch Alliance Atlas V rocket at 4:05 a.m. EDT lifting...

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CAPE CANAVERAL, Fla. -- Technicians in the Astrotech payload processing facility in Titusville, Fla., install...

VANDENBERG AFB, CALIF. - In the NASA spacecraft processing facility on North Vandenberg Air Force Base, workers prepare to attach the top of a solar array panel onto the Gravity Probe B spacecraft. Installing each array is a 3-day process and includes a functional deployment test. 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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CAPE CANAVERAL, Fla. -- At Astrotech's Hazardous Processing Facility in Titusville, Fla., technicians disconnect...

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CAPE CANAVERAL, Fla. -- At Cape Canaveral Air Force Station in Florida, workers using an overhead crane lift the...

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CAPE CANAVERAL, Fla. -- Technicians at Astrotech payload processing facility in Titusville, Fla., are conducting...

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CAPE CANAVERAL, Fla. – At NASA's Kennedy Space Center in Florida, astronaut Leland Melvin, associate administrator...

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CAPE CANAVERAL, Fla. - A mission science briefing was held at NASA Kennedy Space Center’s Press Site in Florida for...

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VANDENBERG AIR FORCE BASE, Calif. – The sun sets over the West Cost prior to the launch gantry being rolled back to...

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PORT CANAVERAL, Fla. – Following arrival of the United Launch Alliance barge, Delta Mariner, at Port Canaveral, Fla....

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VANDENBERG AIR FORCE BASE, Calif. – Technicians prepare to offload the first stage of a United Launch Alliance Delta...

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CAPE CANAVERAL, Fla. -- At Cape Canaveral Air Force Station in Florida, workers use an overhead crane to lift the...

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PORT CANAVERAL, Fla. – Following arrival at Port Canaveral, Fla., the United Launch Alliance Atlas V rocket that...

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VANDENBERG AFB, Calif.-- Technicians monitor activity as the transport container delivering NASA's Landsat Data...

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CAPE CANAVERAL, Fla. – The United Launch Alliance Atlas V first stage booster for NASA's Radiation Belt Storm Probes...

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PORT CANAVERAL, Fla. – Following arrival of the United Launch Alliance barge, Delta Mariner, at Port Canaveral, Fla....

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CAPE CANAVERAL, Fla. – The United Launch Alliance Atlas V launch vehicle, left, and Centaur upper stage that will...

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KENNEDY SPACE CENTER, FLA. -- Rising above a cloud-filled horizon, the Delta II rocket carrying the Dawn spacecraft...

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VANDENBERG AIR FORCE BASE, Calif. – The launch gantry is rolled back to reveal the United Launch Alliance Delta II...

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VANDENBERG AIR FORCE BASE, Calif. – The launch gantry is rolled back to reveal the United Launch Alliance Delta II...

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CAPE CANAVERAL, Fla. - Inside the Astrotech payload processing facility near NASA’s Kennedy Space Center in Florida,...

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CAPE CANAVERAL, Fla. – Workers surround two of the observatories, the lower stack, mini-stack number 1, for NASA's...

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CAPE CANAVERAL, Fla. – Workers position two of the observatories, the lower stack, mini-stack number 1 for NASA's...