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Old 06-09-2008   #7 (permalink)
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Arrow Re: Still no sunspots...

Quote:
Originally Posted by Overdog View Post
Has anyone else been following this?

Sun goes longer than normal without producing sunspots

Quote:
...Tsuneta said solar physicists aren't like weather forecasters; They can't predict the future. They do have the ability to observe, however, and they have observed a longer-than-normal period of solar inactivity. In the past, they observed that the sun once went 50 years without producing sunspots. That period coincided with a little ice age on Earth that lasted from 1650 to 1700.
This period, the Maunder Minimum, has spurred considerable study of other stars as well as our Sun. As yet, it is an unexplained phenomenon.

Quote:
..."The fact is, we still don’t understand what’s going on in our sun, how magnetic fields generate the 11-year solar cycle, or what caused the magnetic Maunder minimum," said Wright’s advisor, Geoffrey Marcy, professor of astronomy at UC Berkeley. "In particular, we don’t know how often a sun-like star falls into a Maunder minimum, or when the next minimum will occur. It could be tomorrow." ...
17th century solar oddity believed linked to global cooling is rare among nearby stars

Wiki on Maunder Minimum: >> Maunder Minimum - Wikipedia, the free encyclopedia

Given the cause(s) of the earlier minimum is/are yet unknown, we can only watch & wait for new developments.


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