noun
- The boundary marking the edge of the sun's influence; the boundary (roughly 100 AU from the sun) between the interplanetary medium and the interstellar medium; where the solar wind from the sun and the radiation from other stars meet. .
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). heliopause. Retrieved September 21, 2026, from http://smartdefine.org/heliopause/definitions/1224060 |
| Chicago | WordNet. 2010. "heliopause" http://smartdefine.org/heliopause/definitions/1224060 (accessed September 21, 2026). |
| Harvard | WordNet 2010, heliopause, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/heliopause/definitions/1224060>. |
| MLA | WordNet. "heliopause" 23 October 2010. Web. 21 September 2026. <http://smartdefine.org/heliopause/definitions/1224060> |