OTD In Space - December 17: NASA's GRAIL Orbiters Slam Into The Moon
On Dec. 17, 2012, NASA's GRAIL mission crashed into the moon.
GRAIL stands for Gravity Recovery And Interior Laboratory, and the mission consisted of two twin spacecraft named Ebb and Flow that are about the size of a washer and dryer. They orbited the moon in tandem to map the moon's gravity field.The mission lasted about nine months, and they even completed an extended mission before the spacecraft began to run low on fuel, so NASA decided it was time to power them down. Both spacecraft bit the lunar dust pretty violently, falling faster than 3,700 miles per hour.
GRAIL stands for Gravity Recovery And Interior Laboratory, and the mission consisted of two twin spacecraft named Ebb and Flow that are about the size of a washer and dryer. They orbited the moon in tandem to map the moon's gravity field.The mission lasted about nine months, and they even completed an extended mission before the spacecraft began to run low on fuel, so NASA decided it was time to power them down. Both spacecraft bit the lunar dust pretty violently, falling faster than 3,700 miles per hour.
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TechTranscript
00:00 On this day in space.
00:03 In 2012, NASA's GRAIL mission crashed into the moon.
00:07 GRAIL stands for Gravity Recovery and Interior Laboratory,
00:10 and the mission consisted of two twin spacecraft named Ebb and Flow
00:13 that are about the size of a washer and dryer.
00:16 They orbited the moon in tandem to map the moon's gravity field.
00:19 The mission lasted about nine months,
00:21 and they even completed an extended mission
00:23 before the spacecraft began to run low on fuel,
00:25 so NASA decided it was time to power them down.
00:28 Both spacecraft bit the lunar dust pretty violently,
00:31 falling faster than 3,700 miles per hour.
00:35 And that's what happened on this day in space.
00:38 [ music ]