Science ❯ Astronomy ❯ Solar System

Solar Activity

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

8 ARTICLES

last mo.

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