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IBEX knot

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IBEX knot Image Courtesy of IBEX Science Team/Goddard Scientific Visualization Studio/ESA One of the clear features visible in the IBEX maps is an apparent knot in the ribbon. Scientists were anxious to see how this structure would change with time. The second map showed that the knot in the ribbon somehow spread out. It is as if the knot in the ribbon was literally untangled over only six months. This visualization shows a close-up of the ribbon (green and red) superimposed on the stars and constellations in the nighttime sky. The animation begins by looking toward the nose of the heliosphere and then pans up and left to reveal the knot. The twisted structure superimposed on the map is an artist's conception of the tangled up ribbon. The animation then shows this structure untangling as we fade into the second map of the heliosphere.