FallRelation Galaxies Mosaic (IMAGE) International Centre for Radio Astronomy Research Caption Some of the 564 galaxies observed by the Arecibo telescope used to refine the Fall relation—the relationship between the mass of stars in a galaxy and the rotation of the galaxy. Credit: Jennifer Hardwick, ICRAR-UWA / GALEX Arecibo SDSS Survey (GASS) / DESI Legacy Imaging Survey Credit Credit: ICRAR Usage Restrictions Credit must be given to the creator. Adaptations must be shared under the same terms. License CC BY-SA Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.