File:Comet ISON makes its appearance into the high-res HI-2 camera on the STEREO-A spacecraft.png

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Description	English: Comet ISON makes its appearance into the higher-resolution HI-1 camera on the STEREO-A spacecraft. The dark "clouds" coming from the right are density enhancements in the solar wind, causing all the ripples in comet Encke's tail. These kinds of solar wind interactions give us valuable information about solar wind conditions near the sun. Note: the STEREO-A spacecraft is currently located on the other side of the Sun, so it sees a totally different geometry to what we see from Earth.
Date	25 November 2013, 17:03:33
Source	http://svs.gsfc.nasa.gov/vis/a010000/a011400/a011422/
Author	Karl Battams/NASA/STEREO/CIOC

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