(Phys.org)—NASA's twin, lunar-orbiting Gravity Recovery and Interior Laboratory (GRAIL) spacecraft began data collection for the start of the mission's extended operations.
Space Exploration
Sep 2, 2012
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For years, scientists have been hunting for the stable lava tubes that are believed to exist on the moon. A remnant from the moon's past, when it was still volcanically active, these underground channels could very well be ...
Space Exploration
Apr 7, 2016
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(PhysOrg.com) -- As early as Sept. 8th, NASA's GRAIL mission will blast off to uncover some of the mysteries beneath the surface of the Moon. That cratered gray exterior hides some tantalizing things – even, perhaps, ...
Space Exploration
Sep 7, 2011
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A pair of spacecraft rocketed toward the moon Saturday on the first mission dedicated to measuring lunar gravity and determining what's inside Earth's orbiting companion - all the way down to the core.
Space Exploration
Sep 10, 2011
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Scientists, using cameras aboard NASA's Lunar Reconnaissance Orbiter (LRO), have created the largest high resolution mosaic of our moon's north polar region. The six-and-a-half feet (two-meters)-per-pixel images cover an ...
Space Exploration
Mar 18, 2014
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(PhysOrg.com) -- The second of NASA's two Gravity Recovery And Interior Laboratory (GRAIL) spacecraft has successfully completed its planned main engine burn and is now in lunar orbit. Working together, GRAIL-A and GRAIL-B ...
Space Exploration
Jan 2, 2012
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(Phys.org) —Scientists combined observations from two NASA missions to check out the moon's lopsided shape and how it changes under Earth's sway – a response not seen from orbit before.
Space Exploration
May 29, 2014
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Today’s expected launch of NASA’s Gravity Recovery And Interior Laboratory (GRAIL) twin spacecraft, a carefully choreographed mission to precisely map the moon’s gravitational field, could help scientists understand ...
Space Exploration
Sep 8, 2011
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(PhysOrg.com) -- NASA's GRAIL spacecraft are set to launch to the moon aboard a United Launch Alliance Delta II rocket on Sept. 8, 2011, from Cape Canaveral Air Force Station, Fla. There are two instantaneous (one-second) ...
Space Exploration
Sep 8, 2011
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The US space agency plans to launch two unmanned spacecraft Thursday that will chase each other around the Moon as they use gravity measurements to draw an unprecedented map of its inner workings.
Space Exploration
Sep 7, 2011
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