Voyager 1 discovers heliopause boundary, a plasma region beyond the solar system

wionews.com

Voyager 1 discovered a boundary layer, dubbed the "firewall," separating the Solar System from interstellar space, marking the Sun's fading influence. This region features intense charged particle interactions and high plasma density, not actual fire, with temperatures representing particle energy, not heat transfer. Voyager's instruments and structure were unaffected by this plasma environment, confirming the existence of this heliopause boundary.


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