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8 remarkable images of Neptune: Dynamic atmosphere
Photo:
NASA, ESA, E. Karkoschka (University of Arizona), and H.B. Hammel (Space Science Institute, Boulder, CO)
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John Bysack
Jan 12 2011 at 11:36 PM
Neptune is the only planet not visible to the naked eye.
Under favourable conditions Uranus can be seen as a sixth magnitude (barely visible) object.
In fact Uranus appears in old star charts as a sixth magnitude star. William Herschel was first to realize that it was actually a planet.










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