Images/videos may be used by the media and the public for educational and informational purposes only



New data from NASA’s Interstellar Boundary Explorer (IBEX) shows that the heliosphere moves through space too slowly to form a bow shock.
Courtesy Southwest Research Institute
The heliosphere is the region of space dominated by the Sun that cocoons Earth and the other planets. Inflated by the million-mile-per-hour solar wind, the bubble-shaped heliosphere pushes its way through the galaxy. For a quarter century, researchers bel
Courtesy Southwest Research Institute