Pulsar Measurements (IMAGE) Institute for Advanced Study Caption The ripples in the Milky Way disk are shown, along with the tidal debris from the Sagittarius dwarf galaxy. The pulsars analyzed by Chakrabarti et al 2021 to calculate Galactic accelerations are shown in the inset. Credit IAS; Dana Berry Usage Restrictions None License Licensed content 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.