Image of the Day: Neptune in Infrared
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September 09, 2011

Image of the Day: Neptune in Infrared

Neptune_pharo


The great clarity of this infrared image of Neptune was made possible by "rubber mirror" adaptive optics technology. Here, mirrors in the new Palomar High Angular Resolution Observer (PHARO) instrument connected to the 200-inch Hale Telescope flex to remove the effects of turbulence in the Earth's atmosphere.

Neptune is the eighth most distant planet from the Sun, thirty times the Earth-Sun distance. Neptune is the fourth largest planet, almost four times Earth's diameter. Surprisingly, Neptune radiates about twice as much energy as it receives from the Sun. A fascinating feature of the above photograph is that it was taken far from distant Neptune, through the Earth's normally blurry atmosphere.

Image credit: Credit: Don Banfield (Cornell), JPL, NASA; Copyright: Cornell U.

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Reads even better if you switch the two paragraphs! 8:)


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