Illustration of Heliosphere with Tail (IMAGE) NASA/Goddard Space Flight Center Caption Some research suggests that the heliosphere has a long tail, much like a comet, though a new model points to a shape that lacks this long tail. Credit NASA's Scientific Visualization Studio/Conceptual Imaging Lab Usage Restrictions None License Licensed content 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.