Definition of heliosphere in English:

heliosphere

Line breaks: helio|sphere
Pronunciation: /ˈhiːlɪəʊsfɪə
 
/

noun

Astronomy
  • The region of space, encompassing the solar system, in which the solar wind has a significant influence.
    More example sentences
    • Voyager 1 has left the termination shock to enter the heliosphere, a region still influenced by the solar wind.
    • Its measurements show that the fast wind predominates in the heliosphere, which is a huge bubble blown into interstellar space by the Sun's outpourings, and extending far beyond the outermost planets.
    • The fast solar wind from the polar regions flowed uniformly to fill a large fraction of the heliosphere, and variability was confined to a narrow region around the solar equator.

Derivatives

heliospheric

adjective
More example sentences
  • These are charged particles travelling through space that are constrained to travel along the galactic and heliospheric magnetic field lines, like on rails.
  • Smith was chosen ‘for his pioneering studies of the solar and heliospheric magnetic fields in deep space and of planetary magnetic fields and their interaction with the solar wind.’
  • The solar and heliospheric research communities are dedicated to promoting enhanced understanding of, and predictive capabilities for, solar disturbances that propagate to the Earth.

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Pronunciation: ˌastrəˈgāSHən
noun
(in science fiction) navigation in outer space