Associations to the word «Heliosphere»

Wiktionary

HELIOSPHERE, noun. (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.

Dictionary definition

HELIOSPHERE, noun. The region inside the heliopause containing the sun and solar system.

Wise words

The difference between the right word and the almost right word is the difference between lightning and a lightning bug.
Mark Twain