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Originally posted by melatonin
So you think babbling on about interstellar dust clouds and how global warming started in the 1500s is directly relevant to solar activity in the last few decades...
Originally posted by melatonin
I know what ISD clouds contain. I also know that they are linked to cooling of the earth's climate.
We are still off-topic.
The Most Powerful Solar Flares Ever Recorded
return to SpaceWeather.com
This list is based in part on "Large Solar Flares Since 1976" compiled by IPS Radio & Space Services. The two most recent entries (Dec. 5, 2006; Sept. 7, 2005) are highlighted in red.
Ranking Day/Month/Year X-Ray Class
1 04/11/03 X28+
2 02/04/01 X20.0
2 16/08/89 X20.0
3 28/10/03 X17.2
4 07/09/05 X17
5 06/03/89 X15.0
5 11/07/78 X15.0
6 15/04/01 X14.4
7 24/04/84 X13.0
7 19/10/89 X13.0
8 15/12/82 X12.9
9 06/06/82 X12.0
9 01/06/91 X12.0
9 04/06/91 X12.0
9 06/06/91 X12.0
9 11/06/91 X12.0
9 15/06/91 X12.0
10 17/12/82 X10.1
10 20/05/84 X10.1
11 29/10/03 X10
11 25/01/91 X10.0
11 09/06/91 X10.0
12 09/07/82 X 9.8
12 29/09/89 X 9.8
13 22/03/91 X 9.4
13 06/11/97 X 9.4
14 24/05/90 X 9.3
15 05/12/06 X 9.0
15 06/11/80 X 9.0
15 02/11/92 X 9.0
A New Kind of Solar Storm
Going to the Moon? Be careful. A new kind of solar storm can take you by surprise.
June 10, 2005: January 2005 was a stormy month--in space. With little warning, a giant spot materialized on the sun and started exploding. Between January 15th and 19th, sunspot 720 produced four powerful solar flares. When it exploded a fifth time on January 20th, onlookers were not surprised.
They should have been. Researchers realize now that the January 20th blast was something special. It has shaken the foundations of space weather theory and, possibly, changed the way astronauts are going to operate when they return to the Moon.
Sunspot 720 unleashed a new kind of solar storm.
Scant minutes after the January 20th flare, a swarm of high-speed protons surrounded Earth and the Moon. Thirty minutes later, the most intense proton storm in decades was underway.
"We've been hit by strong proton storms before, but [never so quickly]," says solar physicist Robert Lin of UC Berkeley. "Proton storms normally develop hours or even days after a flare." This one began in minutes.
Although the rarity of the current episode of high average sunspot numbers may indicate that the Sun has contributed to the unusual climate change during the twentieth century, we point out that solar variability is unlikely to have been the dominant cause of the strong warming during the past three decades.
Originally posted by Rasobasi420
2- Just because other planets in the solar system are undergoing global warming doesn't mean that the sun is the only common factor. And it doesn't mean that the events are connected either. And it certainly doesn't mean that the human influence on Earth isn't causing the Earths warming trend.
Originally posted by Thousand
(This post skirts the edge of going off-topic, I realize. But I feel it necessary in order to further "Deny Ignorance". I would hope the mods agree.)
Originally posted by Muaddib
Originally posted by IgnoranceIsntBlisss
Originally posted by Muaddib
What is the source on that graph?
Unusual activity of the Sun during recent decades compared to the previous 11,000 years
Nature, Vol. 431, No. 7012, pp. 1084 - 1087, 28 October 2004.
S.K. Solanki1, I. G. Usoskin2, B. Kromer3, M. Schüssler1, and J. Beer4
Direct observations of sunspot numbers are available for the past four centuries, but longer time series are required, for example, for the identification of a possible solar influence on climate and for testing models of the solar dynamo. Here we report a reconstruction of the sunspot number covering the past 11,400 years, based on dendrochronologically dated radiocarbon concentrations. We combine physics-based models for each of the processes connecting the radiocarbon concentration with sunspot number. According to our reconstruction, the level of solar activity during the past 70 years is exceptional, and the previous period of equally high activity occurred more than 8,000 years ago. We find that during the past 11,400 years the Sun spent only of the order of 10% of the time at a similarly high level of magnetic activity and almost all of the earlier high-activity periods were shorter than the present episode. Although the rarity of the current episode of high average sunspot numbers may indicate that the Sun has contributed to the unusual climate change during the twentieth century, we point out that solar variability is unlikely to have been the dominant cause of the strong warming during the past three decades.
Originally posted by Blaine91555
Dr Lockwood initiated the study partially in response to the TV documentary The Great Global Warming Swindle, broadcast on Britain's Channel Four earlier this year, which featured the cosmic ray hypothesis.
So in response to a documentary that aired this year this study was undertaken? They ruled out the Sun's involvement in a few short months? Am I the only one who noticed this? Maybe this team could solve the riddle of Life, the Universe and Everything in a couple of months too? Give them a full year and imagine what they could do
These guys figured out this in a couple of months. Very unlikely. This is politically motivated and these folks have destroyed their own credibility for life. I wonder what they are getting in return to make them do this? This is being presented as fact without any peer review in an impossibly short time.
BULL! Before I read this my mind was open to everything. This article shows that the idea of the Sun causing warming hit a real nerve. That makes me think they know its the truth and are covering their collective political butts. Perhaps their future Government Grants were dependant on them refuting that idea?