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Ebb and Flow, the Gravity Recovery and Interior Laboratory (GRAIL) mission probes, are being sent purposely into the lunar surface because their low orbit and low fuel levels preclude further scientific operations. The duo's successful prime and extended science missions generated the highest resolution gravity field map of any celestial body. The map will provide a better understanding of how Earth and other rocky planets in the solar system formed and evolved.
During their prime mission, from March through May, Ebb and Flow collected data while orbiting at an average altitude of 34 miles (55 kilometers). Their altitude was lowered to 14 miles (23 kilometers) for their extended mission, which began Aug. 30 and sometimes placed them within a few miles of the moon's tallest surface features.
Originally posted by sirbadazz
The twin NASA Probes used to "gravity map" the moon to " to learn how "other rocky planets...evolved" prepare fortheir Dec. 17 mission-ending moon impact.
Given the "classified" aspects of NASA missions, the footage of UFOs related to the moon, and previous NASA missions, it is not a far conjecture to assume NASA is interested in more than figuring out how planets evolve ...
but has basically mapped out the entire under-surface of the moon. underground alien installations is a more reasonable assumption than their interest in the formation of "other rocky planets." just outing the obvious...