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Mona Evans
Mona Evans • 46 weeks ago

Comet ISON streaming towards the Sun. At its closest approach on Thanksgiving Day 2013, it will be just 730,000 miles above the sun's surface. (Image Credit: ESA/NASA/SOHO) This image comes from SOHO, the Solar and Heliospheric Observatory - the comet is in the lower right. Mona Evans, "Comets" www.bellaonline.c...

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