Spitzer Spies Break in Milky Way Arm

A new study shows evidence for a previously unseen structure in our own Milky Way galactic neighborhood.

Milky Way Break

A break seen in the Milky Way’s inner arm. Credit: NASA/JPL-Caltech

Sometimes, it’s hard to see the forest through the trees. This is just the situation we’re in when we try to discern just what our Milky Way Galaxy might look like from the outside. Now, a new study looking at galactic structure noticed a gap in the Sagittarius spiral arm of the Milky Way that went previously unnoticed.Read more