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Pick of the Week
High-energy "Snowstorm" (May 24, 2013)
An M5 flare associated with a coronal mass ejection generated a fairly robust particle storm...
Hot Shots from SOHO
Comet ISON: Comet of The Century?
Comet D/2012 S1 was discovered in September 2012 by Russian astronomers using data from the International Scientific Optical Network (ISON)...
JHelioviewer: A new way of looking at the Sun
JHelioviewer is new visualization software that enables everyone, anywhere to explore the Sun...
the sun now
|At 12:50 UT|
|Speed: 417 km/s|
|Density: 1.46 p/cm3|
best of soho