Two Of The Milky Way's Spiral Arms Go Missing

Tuesday, June 3, 2008 - 16:14 in Astronomy & Space

For decades, astronomers have been blind to what our galaxy, the Milky Way, really looks like. Now, new images from NASA's Spitzer Space Telescope are shedding light on the true structure of the Milky Way, revealing that it has just two major arms of stars instead of the four it was previously thought to possess.

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