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Do solar eclipses affect Earth’s atmosphere?
Hear from a ham radio operator about how solar eclipses temporarily affect Earth's upper atmosphere, or ionosphere. Eclipses can disrupt radio signals and GPS in the region where the eclipse is passing.
October 6, 2023
How to photograph a solar eclipse, with Alan Dyer
Get tips on how to photograph a solar eclipse with author and astrophotographer Alan Dyer. Use these tips for the October 14, 2023, annular eclipse as well!
October 5, 2023
Sun activity archive for October 2023
Sun activity archive for October 2023. A daily record of flaring, big filaments and prominences, and other sorts of activity, on our local star.
October 1, 2023
Aurora season: Why more auroras at equinoxes?
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.
October 1, 2023
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
Neptune’s clouds linked to sun’s 11-year cycle
Years worth of images of the 8th planet from the sun show that Neptune's clouds are synced with the sun's 11-year cycle. Read the weather forecast for Neptune.
August 25, 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.
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.
August 23, 2023
Solar Cycle 25 is more active and powerful than predicted
So far this solar cycle has been more powerful and surprising than predicted. It has been very active so far before the predicted peak in 2025.
August 16, 2023
