Science ❯ Astronomy ❯ Solar System

Solar Activity

Sunspots Solar Maximum Geomagnetic Storms Solar Flares Coronal Mass Ejections Solar Cycle Solar Cycles Radio Waves Auroras Solar Storms Superflares Aurora Borealis Solar Eclipse Characteristics Solar Minimum Parker Solar Probe

8 ARTICLES

3mo ago

NOAA Warns Solar Storms Could Bring Northern Lights to Much of Canada and the U.S. North July 3–4

A June 30 X‑class solar flare sent multiple coronal mass ejections toward Earth that could produce G1–G3 geomagnetic storms depending on evolving solar‑wind conditions.

10 ARTICLES

last yr.

Geomagnetic Storm Keeps Aurora Borealis Glowing Over Northern U.S. Wednesday Night