heliosphere

== English == === Etymology === From helio- +‎ -sphere. === Pronunciation === === Noun === heliosphere (plural heliospheres) (astronomy) The region of space where interstellar medium is blown away by solar wind; the boundary, heliopause, is often considered the edge of the Solar System. ==== Hypernyms ==== astrosphere ==== Hyponyms ==== ==== Coordinate terms ==== bow shock heliopause heliosheath termination shock solar magnetosphere solar wind ==== Derived terms ==== heliospheric ==== Translations ==== ==== See also ==== stellar magnetosphere stellar wind === Further reading === heliosphere on Wikipedia.Wikipedia