Ebb and Flow, NASA’s twin lunar-orbiting spacecraft, that provided valuable information about structure and composition of the Moon, are scheduled to hurtle into a crater on the lunar surface at 1.7 km per second 20 seconds apart, on Monday night, ending a 15-month gravity-mapping mission.


Students rename GRAIL spacecraftJanuary 19, 2012

A well-orchestrated crash on MoonDecember 18, 2012

More In: Science | Sci-Tech