Sunday, November 30, 2014

The Big Picture: measuring the distance of the 'Eye of Sauron' galaxy

The galaxy you see here (NGC 4151) may be best-known for looking a bit like the Eye of Sauron in the Lord of the Rings movies, but it's now much more important than that -- it may be the key to mapping the universe. Researchers at the Univerity of So...



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