Assertion: heliosphere's wind | /r/HasProperty | steady flow of particles
Facets:
Source sentences:
text: In the boundary region of the bubble-shaped heliosphere, the solar wind — the steady flow of particles pushing out in all directions from our sun — collides with particles from the interstellar medium, the not-quite-empty space between stars.
text: The solar wind, not shown, is a steady stream of particles emitted from our sun.