An aurora season occurs in October and March each year, due to the way the magnetic fields of the sun and the Earth work in conjunction with sun-Earth geometry.

C. Alex Young

Raúl Cortés

Deborah Byrd

October 1, 2023

Sun

Sun activity archive for September 2023

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

September 30, 2023

Sun activity archive for August 2023

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

August 31, 2023

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.

C. Alex Young

EarthSky Voices

August 23, 2023

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.

C. Alex Young

EarthSky Voices

August 23, 2023

Sun

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.

July 31, 2023

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.

June 30, 2023

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C. Alex Young

C. Alex Young is a solar astrophysicist studying the Sun and space weather. Alex is passionate about sharing science with diverse audiences. This led him to start The Sun Today with his designer wife, Linda. First through Facebook and Twitter then adding an extensive website thesuntoday.org, the two work together to engage the public about the Sun and its role in our solar system. Alex led national engagement efforts for the 2017 total solar eclipse. He is the Associate Director for Science in the Heliophysics Science Division at NASA Goddard Space Flight Center.