Tags » Solar Activity

A big hole in the sun's atmosphere

At the end of October, a hole in the sun’s atmosphere lashed Earth’s magnetic field with solar wind, sparking moderately-strong geomagnetic storms and almost a full week of Arctic auroras. 52 more words

Amateur Radio

Why I Became a Climate Skeptic.

When I was in my late 20s, I was living in San Francisco and playing in a reggae band. At the time, I fervently believed that global warming was a real, manmade problem. 2,258 more words

Current Events

Sunspot Cycle Plunges

The sun has looked remarkably blank lately, with few dark cores interrupting the featureless solar disk. This is a sign that Solar Minimum is coming. 8 more words

Amateur Radio

CME impact possible on Nov. 8th

On November 5th, a magnetic filament on the sun became unstable and erupted.

The blast opened a fiery canyon in the sun’s atmosphere and hurled a CME toward Earth. 47 more words

Amateur Radio

Chance Of Magnetic Storms This Week

A large coronal hole is turning toward Earth, and it is spewing a stream of high-speed solar wind into space.

NOAA forecasters expect the stream to reach our planet on Oct. 48 more words

Amateur Radio

18 New Papers Link High Solar Activity To Medieval And Modern Warmth, Low Solar Activity To Little Ice Age Cooling

From No Tricks Zone, by Kenneth Richard

“It is generally accepted that the climate warms during periods of strong solar activity (e.g., the Medieval Warm Period) and cools during periods of low solar activity (e.g., the Little Ice Age).” 3,032 more words

Environmental

'Massive Auroras' sighted around the Arctic Circle

G1-class geomagnetic storms are underway around the Arctic Circle on Oct. 16th as Earth enters a stream of very fast moving solar wind.

Veteran observers in Sweden are reporting one of the best displays in recent memory as “massive auroras” dance across the sky. 10 more words

Amateur Radio