This image shows the Milky Way's spiral arms marked in red. The color shading indicates the reconstructed gas density that researchers used to map the galaxy's spiral arms. (Credit: Image courtesy of Iowa State University)
This image shows the Milky Way's spiral arms marked in red. The color shading indicates the reconstructed gas density that researchers used to map the galaxy's spiral arms. (Credit: Image courtesy of Iowa State University)
Please fix title. s/b:
Astrophysicists Map Milky Way’s Four Spiral Arms
Where’s the “You Are Here” arrow?