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FEATURE Giant Ribbon Discovered at the Edge of the Solar System

16-10-2009 12:06pm

#1

hiwayman

Closed Accounts Posts: 47 ✭

Join Date: October 2009

Posts: 40

Giant Ribbon Discovered at the Edge of the Solar System
10.15.2009
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[FONT=Arial, Helvetica, sans-serif] [FONT=Verdana, Arial, Helvetica, sans-serif]+ Play Audio[/FONT][FONT=Verdana, Arial, Helvetica, sans-serif] | + Download Audio | + Email to a friend | + Join mailing list [/FONT][/FONT]
[FONT=Verdana, Arial, Helvetica, sans-serif]October 15, 2009: For years, researchers have known that the solar system is surrounded by a vast bubble of magnetism. Called the "heliosphere," it springs from the sun and extends far beyond the orbit of Pluto, providing a first line of defense against cosmic rays and interstellar clouds that try to enter our local space. Although the heliosphere is huge and literally fills the sky, it emits no light and no one has actually seen it.[/FONT]

[FONT=Verdana, Arial, Helvetica, sans-serif]http://science.nasa.gov/headlines/y2009/15oct_ibex.htm
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