They can last up to around 11 years.
http://wiki.answers.com/Q/How_long_do_sunspots_last
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Oct 31, 2005 ... How long does a sunspot stay on? Sunspots come in pairs. ... Sunspots typically last for several days, although very large ones can last for ...
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curious.astro.cornell.edu/question.php?number=255
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Q: How big are these S-shaped regions? Bigger than your average sunspot? How long do they typically last -- days, weeks? ... As for the link between sunspots and sigmoids -- there is one. At times we see whorls in sunspots, and we know that they are related to sigmoids. We have shown that they imply the same sense of...
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solar.physics.montana.edu/press/faq.html
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How long would the sun have lasted if it was burning? ... According to the text, how long will the sun last before it runs out of fuel? ... How long do sunspots last?
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www.centralcolumbia.k12.pa.us/users/msweb/sunwrksht.htm
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Sunspots are relatively small (compared to the Sun, not the Earth!) regions of the Sun's surface that are cooler than the surrounding surface of the Sun. They are born, develop and die over a period of many days. ... 3. To determine how long some typical sunspots last. ... 3. How long did four of your sunspots last?
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www.digitalillusions.ca/applewoodscience/LessonsOnLiine...
www.digitalillusions.ca/applewoodscience/LessonsOnLiine/JrScience/SNC1D/space/SunspotActivity/SunspotExercise.htm
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As long as the magnetic field remains strong, the cooling effect will maintain an inflow that keeps the ... The average sunspot is about 4500 degrees C (8132 F), while the surroundings are about 6000 degrees C (about 10,000 F). Sunspots can last for weeks or more and can be as large as 80,000 km (over 6 planet Earths).
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www.gsfc.nasa.gov/topstory/20010919sunspot.html
www.gsfc.nasa.gov/topstory/20010919sunspot.html
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Lab by Christine Girtain with Images and data by Phil Goode of Big Bear Solar Observatory ... Introduction: The Sun is the closest star to Earth. It is also the brightest star in our sky. Use the links below to find specific information about our Sun and the effects it has on our ... Part 1 Tools Used to Study the Sun...
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www.trschools.com/staff/g/cgirtain/sun.htm
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A sunspot is an area of highly organized magnetic activity on the surface of the sun. The new 11-year cycle, called Solar Cycle 24, is expected to build gradually, with the number of sunspots and solar storms reaching a maximum by 2011 or 2012, ... Last April, in coordination with an international panel of solar experts,
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www.noaanews.noaa.gov/stories2008/20080104_sunspot.html
www.noaanews.noaa.gov/stories2008/20080104_sunspot.html
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Solar activity waxes and wanes in 11-year cycles. Lately, we've been experiencing the low ebb, "very few flares, sunspots, ... There's still snow on the ground, but the seasons are changing." Last year, Biesecker chaired the Solar Cycle 24 Prediction Panel, an international group of experts from many ... Not so long ago,
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science.nasa.gov/headlines/y2008/10jan_solarcycle24.htm
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