Cosmic Rays May Reveal Why Lightning Strikes

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	Cosmic Rays May Reveal Why Lightning Strikes

LisPark

6-10-2009 3:17 PM

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tags:

science, cosmic rays, lightning

1 Comment |

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6-10-2009 4:06 PM

tanyamm

To me the reason and whys of lightning don't really matter. I love to watch a spectacular lightning storm.

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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/2517da95-23e6-4b06-b5f7-347412278ec7/BB1D2FAE-DF13-4FEE-A158-E92462525A65/" 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://dsc.discovery.com/news/2009/06/09/lightning-cosmic-rays.html" href="http://dsc.discovery.com/news/2009/06/09/lightning-cosmic-rays.html" style="font-size: 11px;">dsc.discovery.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://dsc.discovery.com/news/2009/06/09/lightning-cosmic-rays.html">A team of Florida researchers is testing a novel idea that radio waves dancing in particles created by <A target="_blank" href="http://dsc.discovery.com/news/2008/12/12/cosmic-ray-earth.html">cosmic rays</A> can solve a long-standing mystery about what <A target="_blank" href="http://science.howstuffworks.com/lightning.htm">sparks lightning</A>.</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://dsc.discovery.com/news/2009/06/09/lightning-cosmic-rays.html"><P>"How does lightning  get started? How does it move around? All the basic questions have not been answered," said Joseph Dwyer, a professor of physics and space sciences at the Florida Institute of  Technology in Melbourne, Fla.</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://dsc.discovery.com/news/2009/06/09/lightning-cosmic-rays.html"><div align="center"><img src="http://content7.clipmarks.com/blog_cache/dsc.discovery.com/img/F6016FEA-7AA7-4887-B4E4-EB31821730BC" alt="What's the Spark?" /></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://dsc.discovery.com/news/2009/06/09/lightning-cosmic-rays.html">Rather than trying to measure electric fields within storms directly, the scientists are looking to measure how storms' electric fields alter cosmic ray particles that rain down from space and then pass through Earth's atmosphere.</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://dsc.discovery.com/news/2009/06/09/lightning-cosmic-rays.html"><P>Measurements of the electric fields inside clouds are difficult to make, though scientists have been trying for decades to fly instrumented aircraft and balloons into storms without much success.  </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/BB1D2FAE-DF13-4FEE-A158-E92462525A65/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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