Ebb and Flow — the two twin spacecraft of NASA’s Gravity Recovery and Interior Laboratory (GRAIL) mission — have begun their final rocket burns. They are scheduled to impact the moon at around 2:28 p.m. PST (5:28 EST).
Ebb and Flow — the two twin spacecraft of NASA’s Gravity Recovery and Interior Laboratory (GRAIL) mission — have begun their final rocket burns. They are scheduled to impact the moon at around 2:28 p.m. PST (5:28 EST).