Energetic Particle Map of the Solar System (image) University of Chicago Share Print E-Mail Caption Image from one of the IBEX papers published in the Oct. 16, 2009, issue of Science showing a map of the ribbon of energetic neutral atoms (in green and yellow) on the heliopause and the ribbon's relationship to the interstellar magnetic field. The heliopause is where the solar wind interacts with interstellar protons, neutral hydrogen and many other elements found in interstellar clouds. Also shown are the positions of the Voyager 1 and 2 spacecraft. Credit IBEX collaboration Usage Restrictions News organizations may use this image in reports describing the work of Priscilla Frisch and her IBEX colleagues. Share Print E-Mail 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.