Dark matter is slowing the spin of the Milky Way’s galactic bar

Dark matter is slowing the spin of the Milky Way’s galactic bar

The spin of the Milky Way’s galactic bar, made up of billions of clustered stars, has slowed by about a quarter since its formation, according to a new study by UCL and University of Oxford scientists.

The research, which made use of DiRAC’s CSD3 petascale HPC platform, analysed Gaia space telescope observations of a large group of stars.

Read more via UCL and New Scientists.

For the full publication, please visit the Royal Astronomical Society.