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Originally posted by Chadwickus
reply to post by Phage
Indeed...
Also means more cosmic particles will get through too, right?
Since 1990, Matthew Penn and William Livingston, solar astronomers with the National Solar Observatory (NSO) in Tucson, Arizona, have been using a measurement known as Zeeman splitting to study the magnetic strength of sunspots. The Zeeman splitting is the distance between a pair of infrared spectral lines in a spectrograph taken of the light emitted by iron atoms in the atmosphere of the sun. The wider the distance, the greater is the intensity of the magnetic field.
Penn and Livingston examined 1500 sunspots and found that the average strength of the magnetic field of the sunspots has dropped from around 2700 gauss to 2000 gauss. (In comparison, the Earth’s magnetic field is below one gauss.) The reasons for the decline are unknown, but Livingston said that if the strength continues to decrease at the same rate it will drop to 1500 gauss by 2016, and below this strength the formation of sunspots appears to be impossible.
source
Originally posted by Essan
reply to post by WildWorld
Low solar activity (few sunspots) during the 'Little Ice Age' led to even colder conditions, especially colder winters in the N Hemisphere. It's possible therefore that we might well experience similar again. Maybe last winter will prove the norm?
However, other conditions are not the same and, notably, human activity has affected many climate processes. So really, we're in new territory.
Originally posted by AGWskeptic
At least the Global Warming alarmists wil be shut up.
It's a shame that CO2 doesn't drive climate, we could fix this by switching everyone from hybrids to Hummers.
The sun's new solar cycle, which is thought to have begun in December 2008, will be the weakest since 1928. That is the nearly unanimous prediction of a panel of international experts, some of whom maintain that the sun will be more active than normal.
...although the Sun was putting out less energy overall than usual, in line with observations showing decreased sunspot activity, it actually emitted more in the key visible-light and near-infrared wavelengths.
Some unusual solar readings, including fading sunspots and weakening magnetic activity near the poles, could be indications that our sun is preparing to be less active in the coming years.
The results of three separate studies seem to show that even as the current sunspot cycle swells toward the solar maximum, the sun could be heading into a more-dormant period, with activity during the next 11-year sunspot cycle greatly reduced or even eliminated.
The results of the new studies were announced today (June 14) at the annual meeting of the solar physics division of the American Astronomical Society, which is being held this week at New Mexico State University in Las Cruces.
Originally posted by Section31
Link: Sun's Fading Spots Signal Big Drop in Solar Activity
Some unusual solar readings, including fading sunspots and weakening magnetic activity near the poles, could be indications that our sun is preparing to be less active in the coming years.
The results of three separate studies seem to show that even as the current sunspot cycle swells toward the solar maximum, the sun could be heading into a more-dormant period, with activity during the next 11-year sunspot cycle greatly reduced or even eliminated.
The results of the new studies were announced today (June 14) at the annual meeting of the solar physics division of the American Astronomical Society, which is being held this week at New Mexico State University in Las Cruces.
So... Even though mankind contributed to some level, could a highly active sun have been the cause of our current global warming issues?