漂亮
发表于 2025-3-23 13:01:07
Gravity Recovery and Interior Laboratory (GRAIL): Mapping the Lunar Interior from Crust to Core,unch on September 10, 2011, the twin GRAIL orbiters embarked on independent trajectories on a 3.5-month-long cruise to the Moon via the EL-1 Lagrange point. The spacecraft were inserted into polar orbits on December 31, 2011 and January 1, 2012. After a succession of 19 maneuvers the two orbiters se
archetype
发表于 2025-3-23 15:55:59
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Essential
发表于 2025-3-23 21:57:59
The Lunar Gravity Ranging System for the Gravity Recovery and Interior Laboratory (GRAIL) Mission, at the Moon allows use of a single-frequency link and elimination of the accelerometer compared to the GRACE instrumentation. This paper describes the implementation, testing and performance of the instrument complement flown on the two GRAIL orbiters.
恶心
发表于 2025-3-24 00:09:25
Book 2014ould select areas of the Moon for imaging with the onboard MoonKam camera system..This volume is aimed at researchers and graduate students active in solar system science and planetology. .Originally published in Space Science Reviews journal, Vol. 178/1, 2013..
ATRIA
发表于 2025-3-24 03:32:28
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Nonporous
发表于 2025-3-24 07:19:41
and most accurate gravity model of the Moon.Describes the te.In September 2011, the GRAIL mission launched two unmanned spacecraft to the Moon, which entered into lunar orbit on December 31, 2011 and January 1, 2012. They orbited the Moon until December 17, 2012, when they impacted the surface near
Inclement
发表于 2025-3-24 12:24:13
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Tailor
发表于 2025-3-24 17:43:38
The Scientific Measurement System of the Gravity Recovery and Interior Laboratory (GRAIL) Mission,und, mission, and data system elements in order to meet the end-to-end performance required to achieve its scientific objectives. Modeling and simulation efforts were carried out early in the mission that influenced and optimized the design, implementation, and testing of these elements. Because the
规范就好
发表于 2025-3-24 22:37:56
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牛的细微差别
发表于 2025-3-25 00:49:06
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