Arp220 magnetic field (IMAGE) Royal Astronomical Society Caption Image showing the intensity of Arp 220 in the Submillimeter Array continuum bands (colour) with polarization vectors overlaid (left). These are rotated by 90 degrees in the image to show the orientation of the magnetic field. Credit D.L. Clements et al. Usage Restrictions No restrictions. License Public Domain 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.