heliosheath

Fetched 2026-10-26 (cache).

Datamuse reports no synonyms or antonyms for this word.

Noun

1. {{lb|en|astronomy}} A [[zone]] between the [[termination shock]] and the [[heliopause]], in the [[heliosphere]], at the outer border of the [[Solar System]], where the [[solar wind]] is dramatically slower than within the termination shock.

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.