Infrared Andromeda

infrared_andromedaThe Andromeda galaxy is the largest nearby galaxy. It’s about twice the diameter of our Milky Way and only about 2.5 million light years away. Given a dark, clear sky, it’s visible to the naked eye. This false-color image is from infrared data taken by the Spitzer Space Telescope. It was assembled from around 3,000 separate frames.

Image Credit: NASA

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