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View Full Version : Our Galaxy's "Big Ears": Milky Way's Large Companion Galaxies Stand Out



Bok
12-30-2011, 07:44 AM
Our Milky Way is just one of many billions of galaxies that dot the cosmos--an ordinary spiral in a universe filled with them. The unspecialness of our corner of space, an idea known as the Copernican principle, is a cornerstone of modern cosmology. But it doesn't mean that the Milky Way has to be totally average in every respect.
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