Posts by 

Raúl Cortés

Sun

Sun activity archive for March 2023

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

Sun activity archive for February 2023

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

Sun activity archive for January 2023

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

Sun glossary: A list of solar terms and their definitions

The active sun is frequently in the news as Solar Cycle 25 ramps up. Here's a handy sun glossary so you can get up to speed on all the solar terms you'll see.
Sun

Sun activity archive for October 2022

Bottom line: Sun activity archive for October 2022. A daily record of flaring, big filaments and prominences, and other sorts of activity, on our local star.
Sun

Why are east and west on the sun reversed?

East and west on the sun are opposite from what you might expect. On the sun, east is to the left and west is to the right. Learn why here.