Last Flight for GRAIL Twin Spacecraft

This image shows the final flight path for NASA twin Gravity Recovery and Interior Laboratory GRAIL mission spacecraft, which will impact the moon on Dec. 17, 2012, around 2:28 p.m. PST.

This image shows the final flight path for NASA twin Gravity Recovery and Interior Laboratory GRAIL mission spacecraft, which will impact the moon on Dec. 17, 2012, around 2:28 p.m. PST.

MoonGravity Recovery and Interior Laboratory GRAIL Lunar Reconnais