The probes Ride and Flow crashed into a mountain near the moon 's north pole . The moon is named for the late American astronaut John Ride , who died in July . The scientists have been diligently exploring the moon and collecting evidence this year .
GRAIL probes Ebb and Flow crash into a mountain near the moon 's north pole . The site is named for the late American astronaut Sally Ride , who died in July . The probes have been diligently mapping the moon and collecting evidence this year .