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Voyager 2 spacecraft makes first direct observations of the solar wind termination shock
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The Hindustan Times
- Article date:
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July 3, 2008
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Washington, July 3 -- The Voyager 2 spacecraft, which has been traveling outward from the Sun for 31 years, has made the first direct observations of the solar wind termination shock.
At the termination shock, the solar wind, which continuously expands outward from the sun at over a million miles per hour, is abruptly slowed to a subsonic speed by the interstellar gas.
According to Don Gurnett and Bill Kurth from the University of Iowa (UI), the shock crossing was marked by an intense burst of plasma wave turbulence detected by the UI instrument, as well as by various effects detected by other instruments on the ...