Friday, January 15, 2010

New in the Solar System: The IBEX Ribbon

Okay, at least new to us.  As reported in Discovery News:
Last year, NASA's Interstellar Boundary Explorer (IBEX) made a discovery so profound that scientists had a hard time describing what they were seeing. A vast ribbon located in the outermost reaches of the solar system had been spotted, a structure that had never been seen before. Now scientists believe the shape might be created by a huge reflection caused by particles bouncing off a galactic magnetic field.