HELIOPAUSE

heliopause

(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

Source: WordNet® 3.1


Etymology

Noun

heliopause (plural heliopauses)

(astronomy) The boundary of heliosphere where the Sun's solar wind is stopped by the interstellar medium.

Coordinate terms

• heliosphere

• heliosheath

• termination shock

• stellar magnetosphere

• stellar wind

Source: Wiktionary



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Word of the Day

26 November 2024

TRANSPOSITION

(noun) (music) playing in a different key from the key intended; moving the pitch of a piece of music upwards or downwards


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