Comparative View of Galaxy's Stellar Populations
Depicts: Galaxy in the constellation Ursa Major
Copyright: Rodger I. Thompson (University of Arizona), and NASA
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In the visible-light picture, taken with the Wide Field and Planetary
Camera 2 (WFPC2) in 1995, the galaxy looks uncharacteristically lumpy.
That's because only the bright blue knots of starbirth are detected by
the WFPC2.
Last Update: 1 September 2019