Arp Bot 🤖Herschel image of Arp 26, also known as M101 or the Pinwheel Galaxy.
This far-infrared and sub-millimeter wavelength light highlights the galaxy's cold, glowing dust. The blue dots are areas of star formation.
Credit: ESA, Herschel, NASA, JPL-Caltech; R. Hurt
Source: https://www.herschel.caltech.edu/image/nhsc2017-004a
