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Big Wheel Keep on Turnin'

Credit: Canada-France-Hawaii Telescope/Coelum
Friday, Feb. 27, 2015: Large spiral galaxy Messier 100 appears face-on to viewers on Earth. The spiral arms make wavelike patterns in the rotating disk…Read More »

of stars, gas and dust. Lines of luminous young blue stars trace out the star-formation regions in these arms. At lower right in the image, a small satellite galaxy interacts with the disk. Image released February 2015.

— Tom Chao   Less «
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