MEANING
The boundary where the outward solar wind is checked by the surrounding interstellar medium.
Use it for
Words that belong together
- cross the heliopause
- beyond the heliopause
On the page
The probe detected a changed particle environment beyond the heliopause.
Crossing the heliopause did not free the vessel from the sun’s gravity.
Related words
Word forms
- Base
- heliopause
Explore related collections
Usage notes
Primary category: sci-fi. Forms: Singular: heliopause; plural: heliopauses. Legacy lexical fields mirror sense 1 only. Use numbered sense fields for all meanings.
Practice this word in a sentenceYour margin notes
Keep a thought for later. Sign in to save privately.