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    How to Map a Galaxy When You’re Right in the Middle of It

    The barred spiral galaxy UGC 12158 probably looks similar to how the Milky Way does from the outside. http://www.spacetelescope.org/images/potw1035a/ ESA/Hubble & NASA The T-shirts and posters are common: an image of a galaxy, an arrow pointing to a spot in that galaxy, and a sign reading “You are here.” But it’s all a big lie. […]