MEANING
The large region around the Sun dominated by its outflowing solar wind and associated magnetic influence.
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Words that belong together
- outer heliosphere
- boundary of the heliosphere
On the page
The probe crossed the outer heliosphere long after its last correction.
Within the heliosphere, the instruments tracked a changing stream of particles.
Related words
Word forms
- Base
- heliosphere
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Usage notes
Primary category: sci-fi. Forms: Singular heliosphere; plural heliospheres. Legacy lexical fields mirror sense 1 only. Use numbered sense fields for all meanings.
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