Posts by 

Raúl Cortés


Sun activity: Minor geomagnetic storm last night

Sun activity for November 30, 2022. Sun activity from flaring has increased slightly. We report on yesterday's minor geomagnetic storm and auroral activity.

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.

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.