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.

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.

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.

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.

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.

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.

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.

What are coronal mass ejections? Big burps of sun-stuff!

Coronal mass ejections (CMEs) are powerful eruptions on the sun that can disrupt electrical systems and produce brilliant auroral displays on Earth.

Hybrid solar eclipse photos: April 20, 2023

Enjoy these April 20, 2023, hybrid solar eclipse photos from the EarthSky community. Do you have a photo? Share it with us!

A geomagnetic storm is caused by activity on the sun

A geomagnetic storm is a disturbance in Earth's magnetic field, caused by activity on the sun. The current solar cycle number 25 has triggered a few of them.