Fast Facts: Pinwheel Galaxy (M101)

Fast Facts: The Pinwheel Galaxy (M101)
Name M101, NGC 5457, The Pinwheel Galaxy
Description A face-on spiral galaxy
Location Found in the northern constellation Ursa Major
Distance from Earth About 21 million light-years
Size The galaxy is roughly 170,000 light-years in diameter.
M101, The Pinwheel Galaxy
The bright blue clumps are regions where new stars have formed. The yellowish core consists mainly of old stars. The dark brown dust lanes are denser regions where interstellar clouds may collapse to form new stars.

Fast Facts: Pinwheel Galaxy (M101)