Milky Way isn't a flat disk, it's corrugated
Troy, N.M. (UPI) Mar 11, 2015 - According to a new study by a team of international astronomers, the Milky Way's galactic disk resembles the undulating ripples seen after a pebble is tossed into a pond. In other words, it's not flat - it's corrugated, like a steel roof. The study, led by Heidi Jo Newberg, an astronomer at the Rensselaer Polytechnic Institute, in Troy, New York, is a reinterpretation of data collected ... more

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