Halloween Storm 2021 (October 31, 2021)
It was 18 years ago to the day, on 28 October 2003, when the Sun gave us a spectacular show, releasing a series of powerful flares...
The Sun Awakens! (04 November 2021)
For fans of explosive solar activity, the past few years have been rather a disappointment as the Sun has endured the inactive portion of its 11-year solar cycle, known as "solar minimum"...
JHelioviewer: A new way of looking at the Sun
JHelioviewer is new visualization software that enables everybody, anywhere to explore the Sun...
the sun now
|At 01:42 UT|
|Speed: 337 km/s|
|Density: 4.81 p/cm3|
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