Using a precision formation-flying technique, the twin GRAIL spacecraft mapped the moon’s gravity field, as depicted in this artist’s rendering. (Image credit: NASA/JPL-Caltech)
Home Using a precision formation-flying technique, the twin GRAIL spacecraft mapped the moon’s gravity field, as depicted in this artist’s rendering. (Image credit: NASA/JPL-Caltech) Using a precision formation-flying technique, the twin GRAIL spacecraft mapped the moon's gravity field, as depicted in this artist's rendering. (Image credit: NASA/JPL-Caltech)
Using a precision formation-flying technique, the twin GRAIL spacecraft mapped the moon’s gravity field, as depicted in this artist’s rendering. (Image credit: NASA/JPL-Caltech)
