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Steven Perez
The Mystery Of The Scarlet Nebula - http://io9.com/5418678...
December 4, 2009
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Joe The Sausage liked this
"Why do parts of the Iris Nebula appear so red? Based on these new NASA/ESA images, researchers believe an unknown chemical, maybe hydrocarbon-based, is at work. Click through for a wide-field image that shows why it's called the Iris Nebula."
- Steven Perez
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