Credits: NASA/JPL-Caltech
This infrared image of the galaxy Messier 81, or M81, reveals lanes of dust illuminated by active star formation throughout the galaxy's spiral arms. By moving the slider all the way to the left in order to remove the bluish-white light from stars, you can see the dust lanes more clearly. Located in the northern constellation of Ursa Major (which includes the Big Dipper), M81 is also about 12 million light-years from Earth.
Read more about this image here: https://astropix.ipac.caltech.edu/image/spitzer/ssc2003-06c1
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