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Last Post 10/21/2011 10:09 AM by  Dawn Myers
sunspots
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Anonymous





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10/21/2011 7:53 AM

    erica m (c)

    can you see of study sunspots on other stars? how big can a sunspot really get? thank you

    Dawn Myers



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    10/21/2011 10:09 AM
    Hi Erica The largest sunspot group since 1900 was one in 1947 which measured 6132 millionths of the solar disk, or 18 times the surface area of the Earth. If we have a powerful enough telescope we would be able to study sunspots on other stars

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