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heliosphere

Fly Along With Voyager

April 29, 2013

Want to stay on top of all the space news? Follow @universetoday on Twitter Far away, deep in the dark, near the edge of interstellar space, Voyager 1 and 2 are hurtling near the tenuous edge of the magnetic bubble surrounding the Sun known as the heliosphere and NASA wants you to ride along. The [...]

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Winds of Change at the Edge of the Solar System

August 7, 2012

As the venerable Voyager 1 spacecraft hurtles ever outward, breaking through the very borders of our solar system at staggering speeds upwards of 35,000 mph, it’s sending back information about the curious region of space where the Sun’s outward flow of energetic particles meets the more intense cosmic radiation beyond — a boundary called the [...]

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Termination Shock

November 1, 2011

At the termination shock of any solar system the solar wind slows to subsonic speeds as it interacts with the interstellar medium. This change in speed and interaction causes compression, heating, and a change in the magnetic field. Scientists theorize that the termination shock in our solar system is 75 to 90 AU from the [...]

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Heliopause

November 1, 2011

The heliopause is the theoretical boundary where the solar wind and interstellar wind counter balance each other. The area will remain a virtual mystery until Voyager 1 and Voyager 2 enter it on their way out of our solar system. Voyager 1 should be the first to arrive, entering in 2014. There are multiple theories [...]

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Voyagers Find Giant Jacuzzi-like Bubbles at Edge of Solar System

June 10, 2011

The barrier at the edge of our Solar System may not be the smooth shield that scientists once thought. The venerable Voyager spacecraft have detected a huge, turbulent sea of magnetic bubbles in the heliosheath — the interface between the heliosphere and interstellar space — similar to an actively bubbling Jacuzzi tub. At a briefing [...]

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