Date- 12th July 11 Source- http://www.nasa.gov/centers/goddard/home/index.html 'This video sequence compiles data from Hubble's observations of Neptune to show the blue-green planet rotating on its tilted axis. A day on Neptune is 16 hours long, and Hubble took images of the planet every four hours. Some of Neptune's moons are also shown. (No audio.) Video Credit: NASA, ESA, and G. Bacon (STScI) Science Credit: The Hubble Heritage Team (STScI/AURA) and A. Simon-Miller (NASA Goddard).'
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