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| From | jimp@specsol.spam.sux.com |
|---|---|
| Newsgroups | sci.physics |
| Subject | Re: Earth not due for a geomagnetic flip in the near future, researchers show |
| Date | 2015-11-24 03:55 +0000 |
| Organization | A noiseless patient Spider |
| Message-ID | <cn3dic-v11.ln1@mail.specsol.com> (permalink) |
| References | <xpWdnVhzlbuaTs7LnZ2dnUU7-fGdnZ2d@giganews.com> |
Sam Wormley <swormley1@gmail.com> wrote: > Earth not due for a geomagnetic flip in the near future, researchers show >> http://phys.org/news/2015-11-earth-due-geomagnetic-flip-future.html > > >> The intensity of Earth's geomagnetic field has been dropping for the >> past 200 years, at a rate that some scientists suspect may cause the >> field to bottom out in 2,000 years, temporarily leaving the planet >> unprotected against damaging charged particles from the sun. This >> drop in intensity is associated with periodic geomagnetic field >> reversals, in which the Earth's North and South magnetic poles flip >> polarity, and it could last for several thousand years before >> returning to a stable, shielding intensity. >> >> With a weakened geomagnetic field, increased solar radiation might >> damage electronics?from individual pacemakers to entire power >> grids?and could induce genetic mutations. A reversal may also affect >> the navigation of animals that use Earth's magnetic field as an >> internal compass. >> >> But according to a new MIT study in the Proceedings of the National >> Academy of Sciences, the geomagnetic field is not in danger of >> flipping anytime soon: The researchers calculated Earth's average, >> stable field intensity over the last 5 million years, and found that >> today's intensity is about twice that of the historical average. >> >> This indicates that the current field intensity has a long way to >> fall before reaching an unstable level that would lead to a >> reversal. Don't worry, the EVO's will save us... Yet another much ado about nothing. -- Jim Pennino
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Earth not due for a geomagnetic flip in the near future, researchers show Sam Wormley <swormley1@gmail.com> - 2015-11-23 21:01 -0600 Re: Earth not due for a geomagnetic flip in the near future, researchers show jimp@specsol.spam.sux.com - 2015-11-24 03:55 +0000 Re: Earth not due for a geomagnetic flip in the near future, researchers show "reber g=emc^2" <herbertglazier0@gmail.com> - 2015-11-24 14:14 -0800 Re: Earth not due for a geomagnetic flip in the near future, researchers show Double-A <double-a3@hush.com> - 2015-11-24 14:54 -0800
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