MadSci Network: Astronomy

Subject: Why does the sun reverse its magnetic poles?

Date: Sat Feb 17 13:25:30 2001
Posted by Amy
Grade level: undergrad School: UMKC
City: Kansas City State/Province: MO Country: USA
Area of science: Astronomy
ID: 982434330.As

I read recently on that the sun's magnetic poles have reversed as 
of its normal 11-year solar maxium cycle. Why does this happen? How does 
happen? What effect does it have on the sun? I also read that the earth's 
magnetic poles reverses from time to time, but with less predictability, 
last one occuring around 800,000 years ago. Why is the earth's behavior 
scheduled? What effect would the reversal of the magnetic poles have on 
ecology, and humans' technology? 

I'm not a science major, but I do have a strong interest in all fields of 
study. Thank you for your time. :)

Re: Why does the sun reverse its magnetic poles?

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