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• n  the period of time taken for the moon to make one full rotation on its axis (about 27.3 sidereal days)

News & Articles

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• China’s Yutu Moon rover starts Lunar Day 4 Awake but Ailing
  KENNEDY SPACE CENTER, FL – China’s maiden moon rover Yutu awoke from her regular two week long slumber on Friday, March 14, to begin the 4th Lunar Day since the probes history making touchdown on the surface of Earth’s nearest neighbor in mid December 2013. But the endearing robot is still ailing and suffering from […]
  March 17, 2014 - Universe Today