The Sun Flies Like a Bullet


	The Sun Flies Like a Bullet

invictus

8-7-2007 5:17 PM

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tags:

astronomy, sun, solar system, milky way, science

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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://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/31cbcbd1-fb60-46ae-91bd-39f1e98b7de2/CB6082AD-2AAB-4E73-A65C-B7B3207B1DA3/" 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://discovermagazine.com/2007/aug/the-sun-flies-like-a-bullet" href="http://discovermagazine.com/2007/aug/the-sun-flies-like-a-bullet" style="font-size: 11px;">discovermagazine.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://discovermagazine.com/2007/aug/the-sun-flies-like-a-bullet"><H2>The Sun Flies Like a Bullet</H2></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://discovermagazine.com/2007/aug/the-sun-flies-like-a-bullet"><P>Our solar system, which careers around our galaxy’s center at nearly half a million miles per hour, isn’t round. It isn’t even symmetrical. Instead, says George Mason University astrophysicist <A href="http://physics.gmu.edu/~mopher/">Merav Opher</A>, the sun’s domain is shaped like a slightly squashed bullet and tilts up to 90 degrees away from the plane of the magnetic field of the rest of the Milky Way.</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://discovermagazine.com/2007/aug/the-sun-flies-like-a-bullet"><div align="center"><img src="http://content8.clipmarks.com/blog_cache/discovermagazine.com/img/623BE81F-400A-4D0B-8BEA-5F3DCA15273A" alt="" /></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://discovermagazine.com/2007/aug/the-sun-flies-like-a-bullet">Opher got her results by working with particle and radio-wave data from the two Voyager probes, which are now more than 100 times as far from Earth as we are from the sun, near a boundary known as the termination shock. There, the barrage of particles blasting out from the sun—the solar wind—is slowed by our motion through the galaxy. Using the Voyager data, researchers can now monitor the magnetic field at the edge of our solar system.</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/CB6082AD-2AAB-4E73-A65C-B7B3207B1DA3/blog/" title="blog or email this clip"><img src="http://content9.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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