The Milky Way seems to be missing nearly half of its regular matter

Measurements of radio bursts passing through our galaxy showed that the percentage of visible matter in the Milky Way is 40% lower than in the rest of the universe

To Leah Crane

The Milky Way seems to be missing some of that material. Studies of intense flashes of cosmic radio waves, called Fast Radio Bursts (FRBs), show that our home galaxy and surrounding regions contain more normal matter (baryon matter) than expected relative to the amount of dark matter. was also shown to be less. .

The Deep Synoptic Array (DSA) is a set of 110 radio dishes in California with 63 operational to date.