Voyager data measure higher pressure at fringes of solar system
The Voyager probes have provided NASA scientists with data that suggest the pressure at the outer edges of our solar system is much higher than previously believed. Astronomers also discovered a reduction in the intensity of cosmic rays there, according to findings published in The Astrophysical Journal.
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Voyager 1 launched 42 years ago and travels at 11 miles / second. Plasma in the shape of solar wind spreads through the solar system finally running out of steam after traveling 14 billions kilometers (a kilometer is a little more than 1/2 mile). This article is about what goes on in that zone where the solar system ends and interstellar space begins.
