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Recent Articles
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Topic: GRAILWritten by DC Agle
In two papers, published this week in the journal Science, researchers examine the origins of the moon’s giant Orientale impact basin. The research helps clarify how the formation of Orientale, approximately 3.8 billion years ago, affected the moon’s geology. ![]() Orientale basin is about 580 miles (930 kilometers) wide and has three distinct rings, which form a bullseye-like pattern. This view is a mosaic of images from NASA’s Lunar Reconnaissance Orbiter. (NASA/GSFC/Arizona State University) «Read the rest of this article» Sections: Technology | No Comments
NASA’s GRAIL mission data reveals ‘Ocean of Storms’ region of Earth’s Moon formed from ancient rift valleysWritten by DC Agle
Early theories suggested the craggy outline of a region of the moon’s surface known as Oceanus Procellarum, or the Ocean of Storms, was caused by an asteroid impact. If this theory had been correct, the basin it formed would be the largest asteroid impact basin on the moon. ![]() A view of Earth’s moon looking south across Oceanus Procellarum, representing how the western border structures may have looked while active. (NASA/Colorado School of Mines/MIT/JPL/GSFC) «Read the rest of this article» Sections: Technology | No Comments
NASA’s GRAIL probes create high resolution gravity field map of the MoonWritten by DC Agle
The new map, created by the Gravity Recovery and Interior Laboratory (GRAIL) mission, is allowing scientists to learn about the moon’s internal structure and composition in unprecedented detail. Data from the two washing machine-sized spacecraft also will provide a better understanding of how Earth and other rocky planets in the solar system formed and evolved. «Read the rest of this article» Sections: Technology | No Comments
NASA’s Gravity Recovery and Interior Laboratory (GRAIL) completed it’s Prime Mission earlyWritten by DC Agle
The GRAIL mission has gathered unprecedented detail about the internal structure and evolution of the moon. This information will increase our knowledge of how Earth and its rocky neighbors in the inner solar system developed into the diverse worlds we see today. ![]() An artist's depiction of the twin spacecraft that comprise NASA's Gravity Recovery And Interior Laboratory (GRAIL) mission. During the GRAIL mission's science phase, spacecraft (Ebb and Flow) transmit radio signals precisely defining the distance between them as they orbit the moon in formation. (Image credit: NASA/JPL-Caltech/MIT) «Read the rest of this article» Sections: Technology | No Comments
NASA’s GRAIL Spacecraft fly in Formation around the Moon at 3,600 MPHWritten by DC Agle
![]() An artist's depiction of the GRAIL twins (Ebb and Flow) in lunar orbit. During GRAIL's prime mission science phase, the two spacecraft will orbit the moon as high as 31 miles (51 kilometers) and as low as 10 miles (16 kilometers). (Image credit: NASA/Caltech-JPL/MIT) «Read the rest of this article» Sections: Technology | No Comments
NASA’s Twin GRAIL Spacecraft Begin Collecting Lunar DataWritten by DC Agle
![]() Using a precision formation-flying technique, the twin GRAIL spacecraft will map the moon's gravity field, as depicted in this artist's rendering. (Image credit: NASA/JPL-Caltech) «Read the rest of this article» Sections: Technology | No Comments
NASA’s GRAIL Mission Returns First Video From Moon’s Far SideWritten by DC Agle
GRAIL consists of two identical spacecraft, recently named Ebb and Flow, each of which is equipped with a MoonKAM. The images were taken as part of a test of Ebb’s MoonKAM on January 19th. The GRAIL project plans to test the MoonKAM aboard Flow at a later date. ![]() South pole of the far side of the moon as seen from the GRAIL mission's Ebb spacecraft. (Image credit: NASA/Caltech-JPL) «Read the rest of this article» Sections: Technology | No Comments
NASA’s Twin Grail Spacecraft Reunite in Lunar OrbitWritten by DC Agle
“NASA greets the new year with a new mission of exploration,” said NASA Administrator Charles Bolden. “The twin GRAIL spacecraft will vastly expand our knowledge of our moon and the evolution of our own planet. We begin this year reminding people around the world that NASA does big, bold things in order to reach for new heights and reveal the unknown.” ![]() Artist concept of GRAIL-B performing its lunar orbit insertion burn. (Image credit: NASA/JPL-Caltech) «Read the rest of this article» Sections: Technology | No Comments
First of NASA’s GRAIL Spacecraft Enters Moon OrbitWritten by DC Agle
NASA’s Gravity Recovery And Interior Laboratory (GRAIL)-A spacecraft successfully completed its planned main engine burn at 2:00pm PST (5:00pm EST) today. As of 3:00pm PST (6:00pm EST), GRAIL-A is in an orbit of 56 miles by 5,197 miles (90 kilometers by 8,363 kilometers) around the moon that takes approximately 11.5 hours to complete. «Read the rest of this article» Sections: Technology | No Comments
NASA’s GRAIL-A Spacecraft 24 Hours Away From MoonWritten by DC Agle
Launched aboard the same rocket on September 10th, 2011, GRAIL-A’s mirror twin, GRAIL-B, is also closing the gap between itself and the moon. GRAIL-B is scheduled to perform its lunar orbit insertion burn on New Year’s Day (January 1st) at 2:05pm PST (5:05pm EST). ![]() Artist concept of GRAIL mission. GRAIL will fly twin spacecraft in tandem orbits around the moon to measure its gravity field in unprecedented detail. (Image credit: NASA/JPL) «Read the rest of this article» Sections: Technology | No Comments
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