This image of the Pinwheel Galaxy, or M101, in the constellation of Ursa Major, combines data from four of NASA space telescopes. The view shows that both young and old stars are evenly distributed along M101 tightly wound spiral arms.
This image of the Pinwheel Galaxy, or M101, in the constellation of Ursa Major, combines data from four of NASA space telescopes. The view shows that both young and old stars are evenly distributed along M101 tightly wound spiral arms.