Image: Voyager 1 entering heliosheath region

Description: This image shows the locations of Voyagers 1 and 2. Voyager 1 is traveling a lot and has crossed into the heliosheath, the region where interstellar gas and solar wind start to mix. Suggested for English Wikipedia:alternative text for images: orange area at left labeled Bow Shock appears to compress a pale blue oval-shaped region labeled Heliosphere extending to the right with its border labeled Heliopause. A central dark blue circular region is labeled Termination Shock with the gap between it and the Heliosphere labeled Heliosheath. Centred in the blue region is a concentric set of ellipses around a bright spot with two white lines curving away from it: the upper line labeled Voyager 1 ends outside the dark blue circle; the lower line labeled Voyager 2 appears inside
Title: Voyager 1 entering heliosheath region
Credit: http://www.nasa.gov/vision/universe/solarsystem/voyager_agu.html
Author: NASA/Walt Feimer
Usage Terms: Public domain
License: Public domain
Attribution Required?: No