FrankSpecht
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Moin, Alex74,
Auf die Gefahr hin, dich falsch verstanden zu haben, aber: Zumindest Voyager 1 kann (angeblich) Verhältnisse zwischen Teilchen aus dem Sonnensystem und Teilchen aus dem interstellaren Raum messen: Voyager - The Interstellar Mission (Dez. 2011):Oder das Verhältnis irgendwelcher Teilchen zu irgendwelchen anderen?
Die Voyager Sonden sind dazu nicht in der Lage.
Voyager has been measuring energetic particles that originate from inside and outside our solar system. Until mid-2010, the intensity of particles originating from inside our solar system had been holding steady. But during the past year, the intensity of these energetic particles has been declining, as though they are leaking out into interstellar space. The particles are now half as abundant as they were during the previous five years.
At the same time, Voyager has detected a 100-fold increase in the intensity of high-energy electrons from elsewhere in the galaxy diffusing into our solar system from outside, which is another indication of the approaching boundary.