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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.

EarthSky Voices

August 16, 2023

This giant solar eruption rocked Earth, moon and Mars

A giant solar eruption from 2021 is teaching scientists how to protect astronauts. The radiation from the event struck Earth, the moon and Mars simultaneously.

Kelly Kizer Whitt

August 3, 2023

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

Parker Solar Probe peers into coronal hole, sees source of solar wind

The Parker Solar Probe has looked into a coronal hole, helping to identify the source of the fast solar wind as magnetic reconnection of the solar field lines.

Kelly Kizer Whitt

June 7, 2023

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.

May 31, 2023

Space weather effects on Earth: Top 5 questions

NASA answers questions about space weather, from what does it do to Earth and how is it monitored to how can we prepare for a solar storm.

EarthSky Voices

May 23, 2023

Did an active sun kickstart life on Earth?

In the early days of Earth, a more active sun showered particles onto our atmosphere, which could have created the building blocks of proteins and organic life.

Kelly Kizer Whitt

May 11, 2023