In 2009 astronomers using NASA’s Interstellar Boundary Explorer (IBEX) spacecraft accidentally came across a giant ribbon-like formation snaking its way across the boundary between our solar system and interstellar space. Ever since, its true nature has remained a riddle astronomers have been unable to solve. But now, they believe they are a step closer to explaining this bizarre structure.
Read more about what scientists have uncovered about this weird structure sitting at the very edge of our solar neighborhood at my article on National Geographic News.
Tags: heliosphere, IBEX
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