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Check out this brilliant image of spiral galaxy NGC 2841, from the Hubble Space Telescope's Wide Field Camera 3. This galaxy has an unusually low rate of star creation — you can tell by the absence of the pinkish glow of emission nebulae, which would indicate new star birth. What's going on? NASA explains: More »
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This spiral galaxy, NGC 2841, is helping NASA solve a huge mystery: why do galaxies look so smooth, with such an even distribution of stars? More »
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