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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.
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.
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.
May 11, 2023
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.
April 30, 2023
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.
April 24, 2023
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!
April 20, 2023
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.
April 19, 2023
April 2023 solar eclipse: 10 things to know
Find out where and when to see the April 2023 solar eclipse, plus some fascinating facts about it. Plus, get a link to a livestream of the event.
April 9, 2023
What is a hybrid eclipse? A total and annular combined
A hybrid eclipse is a solar eclipse that appears as total for some and annular for others, with those farther from the centerline seeing a partial eclipse.
April 9, 2023
