In October 2017, The Lunar Reconnaissance Orbiter celebrates 100 lunar days of being at the Moon. Part 1 of this video series helps explain what a "lunar day" is, and what it means for the spacecraft's mission to have been at the Moon for this period of time.
Music provided by Killer Tracks: "Time is Running" - Dirk Ehlert, Guillermo De La Barreda; "Buckaroo Instrumental" - Alan Gold & Fiona Hamilton.
This video is public domain and along with other supporting visualizations can be downloaded from the Scientific Visualization Studio at: http://svs.gsfc.nasa.gov/12739
Credit: NASA's Goddard Space Flight Center/David Ladd
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