Solar Activity Continues With Significant Flare
For the third day in a row, sunspot 1261 has unleashed a significant M-class solar flare. The latest blast at 0357 UT on August 4th registered…
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Possible Minor Geomagnetic Storm
On August 2nd, the sun hurled a cloud of plasma (Coronal Mass Ejection – CME) toward Earth when magnetic fields above sunspot 1261 erupted. Analysts expect…
Read the article →Big Sunspots Appear on the Sun
After more than a week of quiescence, solar activity is picking up with the emergence of two large sunspot groups on the sun’s northeastern limb. The…
Read the article →Preparing for the Next Big Solar Storm
In Sept. 1859, on the eve of a below-average solar cycle, the sun unleashed one of the most powerful storms in centuries. The underlying flare was…
Read the article →A Solstice Solar Flare
The first day of northern summer began with a solar flare. Magnetic fields above sunspot complex 1236 erupted during the early hours of June 21st, hurling…
Read the article →Massive Solar Eruption
Yesterday morning (June 7th) around 06:41 UT, magnetic fields above sunspot complex 1226-1227 became unstable and erupted. The blast produced an M2-class solar flare, an S1-class…
Read the article →Comet Storm Nosedives Into the Sun
The sun has just experienced a storm—not of explosive flares and hot plasma, but of icy comets. “The storm began on Dec 13th and ended on…
Read the article →The Partial Solar Eclipse of January 4, 2011
The animation above illustrates the motion of the shadow of the Moon at five minute intervals. This animation runs in a continuous loop. This graphic, by…
Read the article →In August an Entire Hemisphere of the Sun Erupted
On August 1, 2010, an entire hemisphere of the sun erupted. Filaments of magnetism snapped and exploded, shock waves raced across the stellar surface, billion-ton clouds…
Read the article →Solar Flares on the Far Side of the Sun
An active region just over the sun’s eastern horizon is crackling with solar flares and hurling material high above the stellar surface. One of yesterday’s flares,…
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