Voyager 2

9 Nov 2019

At ... interstellar space - scientists detect plasma density jump as Voyager 2 moved from the solar system to beyond. The inference is that outer space has a higher density level of plasma - or that is the thinking of researchers in a paper in Nature Astronomy (Nov 2019) - although one might argue it is the bubble around the solar system that is dense (I suppose). There is definitely a boundary at the outer reaches of the solar system - as experienced somewhat earlier when Voyager 1 passed through. The boundary is approximately 11 billion miles away from the Sun.

At ... we have more on the same story of the passage through the heliosphere. See also ... and ... and etc). See also another one on the same subject at