Posts by 

C. Alex Young

Sun causing global warming? 2 reasons why not

Is the sun causing global warming? A solar physicist with NASA says no. Read the quick-and-easy-to-understand explanation here.

Q&A: What is the sun’s role in climate change?

The sun influences the Earth's climate, but what is the sun's role in climate change? According to NASA, it's not likely the cause for climate change.
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Sun activity archive for July 2023

Sun activity archive for July 2023. A daily record of flaring, big filaments and prominences, and other sorts of activity, on our local star.
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Sun activity archive for June 2023

Sun activity archive for June 2023. A daily record of flaring, big filaments and prominences, and other sorts of activity, on our local star.
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Sun activity archive for May 2023

Sun activity archive for May 2023. A daily record of flaring, big filaments and prominences, and other sorts of activity, on our local star.
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Sun activity archive for April 2023

Sun activity archive for April 2023. A daily record of flaring, big filaments and prominences, and other sorts of activity, on our local star.
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Sun activity archive for March 2023

Sun activity archive for March 2023. A daily record of flaring, big filaments and prominences, and other sorts of activity, on our local star.
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Sun activity archive for February 2023

Bottom line: Sun activity archive for February 2023. A daily record of flaring, big filaments and prominences, and other sorts of activity, on our local star.
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Sun activity archive for January 2023

Sun activity archive for January 2023. A daily record of flaring, big filaments and prominences, and other sorts of activity, on our local star.

What makes a giant sunspot?

A giant sunspot - AR 3190 - is crossing the face of the sun this week. It'lll soon disappear, but is still visible as of January 21, 2023. What makes it?