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    Voyager 1 is the farthest manmade object in the Solar System

    Date: 11 Oct 2001
    Copyright: NASA

    After completing their primary planetary exploration missions, several spacecraft are now `ling through the vast reaches of space over which the Sun's extended atmosphere and magnetic field dominate. This region, called the heliosphere, is probably many times the diameter of the orbit of the outermost planet of the Solar System, Pluto.

    The outer boundary of the heliosphere, called the heliopause, is formed when the interstellar gases and magnetic fields exert more pressure then the gases and magnetic field associated with the Sun, forming the vast cavity of the heliosphere within. One of these distant spacecraft will most likely be the first spacecraft to go beyond the heliosphere and become the first interstellar traveller.

    Among the distant spacecraft heading for the boundary between the heliosphere and the local interstellar medium, Voyager 1 is the farthest manmade object in the Solar System.

    Image courtesy of NASA


    Last Update: 19 Apr 2010

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