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Category: Sun
Sun activity archive for February 2026
Sun activity archive for February 2026. A daily record of flaring, big filaments and prominences, and other sorts of activity, on our local star.
C. Alex Young
Raúl Cortés
Armando Caussade
Michael Maimone
February 1, 2026
What causes an aurora, the northern or southern lights?
The aurora, or northern and southern lights, occur when charged particles from the sun interact with Earth's magnetic field. Read more here.
Eleanor Imster
January 25, 2026
Severe geomagnetic storm! What happened to the auroras?
A powerful blast from the sun triggered a severe geomagnetic storm on the night of January 19, but the auroras weren't as dazzling as hoped. Here's why.
C. Alex Young
Will Triggs
Cristina Ortiz
January 20, 2026
Sun activity archive for January 2026
Sun activity archive for January 2026. A daily record of flaring, big filaments and prominences, and other sorts of activity, on our local star.
C. Alex Young
Raúl Cortés
Armando Caussade
Michael Maimone
January 1, 2026
Solar wind ‘U-turn’ spotted by Parker Solar Probe
NASA's Parker Solar Probe images have revealed solar material blasted out from the sun returning to our star, rather than escaping as solar wind.
EarthSky Voices
December 23, 2025
Sun activity archive for December 2025
Sun activity archive for December 2025. A daily record of flaring, big filaments and prominences, and other sorts of activity, on our local star.
C. Alex Young
Raúl Cortés
Armando Caussade
Michael Maimone
December 1, 2025
Sun activity archive for November 2025
Sun activity archive for November 2025. A daily record of flaring, big filaments and prominences, and other sorts of activity, on our local star.
C. Alex Young
Raúl Cortés
Armando Caussade
Michael Maimone
November 1, 2025
Sun activity archive for October 2025
Sun activity archive for October 2025. A daily record of flaring, big filaments and prominences, and other sorts of activity, on our local star.
C. Alex Young
Raúl Cortés
Armando Caussade
Michael Maimone
October 1, 2025
Sun activity archive for September 2025
Sun activity archive for September 2025. A daily record of flaring, big filaments and prominences, and other sorts of activity, on our local star.
C. Alex Young
Raúl Cortés
Armando Caussade
Michael Maimone
September 1, 2025
Sun activity archive for August 2025
Sun activity archive for August 2025. A daily record of flaring, big filaments and prominences, and other sorts of activity, on our local star.
C. Alex Young
Raúl Cortés
Armando Caussade
Michael Maimone
August 1, 2025
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