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Earth's magnetic field may have been weaker billions of years ago
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March 9th 10, 03:13 AM posted to sci.astro
Yousuf Khan
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Earth's magnetic field may have been weaker billions of yearsago
dlzc wrote:
Dear Yousuf Kahn:
On Mar 8, 6:09 am, Yousuf Khan wrote:
Although that's possibly true, but the only person
who believes that the magnetic field is decreasing
right now is Brad.
So does most of the scientific community.
http://en.wikipedia.org/wiki/Earth%2...ield_detection
http://www.windows.ucar.edu/tour/lin...h_brunhes.html
http://image.gsfc.nasa.gov/poetry/ma...magnetism.html
... about 5% every 100 years.
But nothing monotonic about the field strength...
Oh well, then I guess I owe Brad an apology, usually his facts and
figures are pulled out of thin air.
Yousuf Khan
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