The new map of the Milky Way reveals the magnificent mess of our galaxy

a bright white spiral galaxy in space

Astronomers have used the Milky Way’s youngest objects to construct a new map of the galaxy’s spiral arms, and the results are far more confusing than expected. While a galaxy’s spiral arms look stunning and awe-inspiring, they aren’t much denser with stars than the spaces between them. A typical spiral arm has only about 10% … Read more