Earth's poles long overdue for reversal

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	Earth's poles long overdue for reversal

invictus

6-2-2008 5:56 PM

1258 views

tags:

earth, geology, polar shift, reversal, magnetism, physics, science

3 Comments |

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6-3-2008 10:09 AM

bignosemousie

I wonder what that would feel like. Do you think migratory birds would just go completely bonkers?

6-3-2008 7:45 PM

Tylast

Check out more info on the moving North Pole here.

6-3-2008 9:20 PM

invictus

It can potentailly affect *many* things on earth, mousie. The birds will probably adopt themselves to the new situation. But I don't have much idea about the rest.

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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/bbc75929-2e16-4f2a-ba0a-dfbb54abd503/EB8572ED-0CBD-45C6-A209-06B3B596E92F/" 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://www.cosmosmagazine.com/news/1967/earths-poles-long-overdue-reversal" href="http://www.cosmosmagazine.com/news/1967/earths-poles-long-overdue-reversal" style="font-size: 11px;">www.cosmosmagazine.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.cosmosmagazine.com/news/1967/earths-poles-long-overdue-reversal"><P>SYDNEY: A reversal of the Earth's magnetic poles could happen sooner than we think, according to Dutch scientists who report that the planet's magnetic field is becoming gradually less stable. </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://www.cosmosmagazine.com/news/1967/earths-poles-long-overdue-reversal"><div align="center"><img src="http://content8.clipmarks.com/blog_cache/www.cosmosmagazine.com/img/7C18BFFE-FD80-4129-A5BD-84F87403371A" alt="Earth's poles long overdue for reversal" /></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://www.cosmosmagazine.com/news/1967/earths-poles-long-overdue-reversal"><P>A reversal could affect everything from navigation and communications equipment to the composition of the atmosphere, say experts.</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://www.cosmosmagazine.com/news/1967/earths-poles-long-overdue-reversal"><P>The story of the Earth's magnetic field is written in rocks over time. Because these rocks become 'magnetised' at the time of their formation, scientists can discover which direction the poles were facing and how strong the Earth's magnetic field was at that time. </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://www.cosmosmagazine.com/news/1967/earths-poles-long-overdue-reversal"><P>Current records suggest that we are long overdue for our next reversal, he said. "On average, there is a reversal around every 400,000 years, but this varies a lot." The geological record suggests that the last reversal was around 800,000 years ago. </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/EB8572ED-0CBD-45C6-A209-06B3B596E92F/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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