Video: Introduction to the Heliopause
This graphic shows the position of the Voyager 1 and Voyager 2 probes, relative to the heliosphere, a protective bubble created by the Sun that extends well past the orbit of Pluto. Voyager 1 crossed the heliopause, or the edge of the heliosphere, in 2012. Voyager 2 is still in the heliosheath, or the outermost part of the heliosphere.
NASA/JPL-Caltech
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| Heliophysics Topics |
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| Heliophysics Missions |
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| Material Cost per Learner | Free |
| Language | English |
Dr. Merav Opher discusses the heliopause where solar wind collides with the interstellar medium using near-real time NASA mission data. Students learn about this distant region that marks the boundary between our solar system and interstellar space. The presentation features images and data from various NASA missions, providing current scientific understanding of how our Sun's influence extends throughout the solar system and interacts with the broader galaxy.