Grail News

10 Sept 202611:47 pm

Astronomy10 Sept 2026 · 11:47 pm11:47 pm

On This Day in Space: NASA Launched GRAIL Probes to Map Moon's Gravity on Sept. 10, 2011

On September 10, 2011, NASA launched the GRAIL mission, consisting of twin spacecraft Ebb and Flow, to map the moon's gravitational fields and study its interio

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On This Day in Space: NASA Launched GRAIL Probes to Map Moon's Gravity on Sept. 10, 2011

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