Voyager 2 reports from the edge of the solar system


	Voyager 2 reports from the edge of the solar system

dewitte

7-20-2008 11:06 AM

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tags:

voyager, space, astronomy

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<div style="margin: 12px 0px; font-family: arial; color: #333333; background: #ffffff; border: solid 4px #e5e5e5; width: 100%; clear: left;"><div class="CM_CTB_Content_Wrap" style="margin: 0px; padding: 0px;background-color: #ffffff;"><div style="border-bottom: solid 1px #dcdcdc; white-space: nowrap; margin-bottom: 8px; background-color: #eeeeee ;background-image: url(http://www.clipmarks.com/images/source-bg.gif); background-repeat: repeat-x; height: 24px; line-height: 24px; vertical-align: middle; padding-bottom: 4px; color: #666666; font-size: 10px;" ><a href="http://clipmarks.com/clip-to-blog/" title="see clips that are hot right now"><img src="http://content.clipmarks.com/blog_embed/d547fa83-b269-4a22-8cfe-cb257208a1cb/0B60C1A7-4797-4664-8DF9-ECD9060CF70B/" alt="" width="19" height="19" border="0" style="vertical-align: middle; margin: 0px 4px; display: inline; border: none; float:none;" /></a>clipped from <a title="http://physicsworld.com/cws/article/news/34895" href="http://physicsworld.com/cws/article/news/34895" style="font-size: 11px;">physicsworld.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://physicsworld.com/cws/article/news/34895"><P>Over 30 years after it was launched, NASA’s Voyager 2 space probe has reached the “edge” of the solar system.
</P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://physicsworld.com/cws/article/news/34895"><div align="center"><img src="http://content7.clipmarks.com/blog_cache/physicsworld.com/img/2F62A862-51CB-4E97-80C3-28E7E15F2E05" alt="Leaving the solar system" /></div></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://physicsworld.com/cws/article/news/34895"><P>
In doing so the probe has confirmed that the heliosphere — an immense bubble-like structure surrounding the Sun and formed by the solar wind — is not a perfect sphere but is a squashed ellipsoid. 
</P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://physicsworld.com/cws/article/news/34895"><P>
<A href="http://voyager.jpl.nasa.gov/">Voyager 2</A> crossed the “heliospheric termination shock” in August 2007 at a distance of about 12bn kilometers from the Sun.  This is about twice as far from the Sun as Pluto and about 1.5bn kilometers closer to the Sun than where its partner Voyager 1 crossed this threshold in 2004. This confirms telescope-based observations of the flow of hydrogen and helium in this region made in 2005, which suggested that the heliosphere is squashed by interstellar magnetic fields. 
</P></blockquote></div><div style="margin: 0px 6px 6px 4px;"><table style="font-size: 11px;border-spacing: 0px;padding: 0px;" cellpadding="0" cellspacing="0" width="100%"><tr><td style="background:transparent;border-width:0px;padding:0px;">&nbsp;</td><td align="right" style="background:transparent;border-width:0px;padding:0px;width:107px" width="107"><a href="http://clipmarks.com/share/0B60C1A7-4797-4664-8DF9-ECD9060CF70B/blog/" title="blog or email this clip"><img src="http://content8.clipmarks.com/images/c2b-foot.png" border="0" alt="blog it" width="107" height="17" style="border-width:0px;padding:0px;margin:0px;" /></a></td></tr></table></div></div>

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