References archive

December 2016

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5 articles

December 22
- Luna 9: 1st Soft Landing on the Moon
December 20
- Lunokhod 1: 1st Successful Lunar Rover
December 16
- Ranger 7: First U.S. Close-Ups of the Moon
December 14
- How Did Neptune Form?
December 2
- Grace Hopper: 'First Lady of Software'