Data collected from the European Space Agency’s Gaia mission and NASA’s Near Earth Object Wide Field Infrared Survey Explorer has been used by astronomers to map the galactic halo and this group of stars. Their findings appear in a study published Wednesday in the journal Nature.
Our Milky Way is a galaxy with multiple spiral arms emanating from a central disk. The empty-looking halo lies outside of these swirling arms. But there may be more to the halo than meets the eye.
The halo, which hosts a small population of stars, is also thought to contain a lot of dark matter. This mysterious…