Pick of the Week
X4.9 Flare Erupts along with associated CME (February 28, 2014)
An active region at the edge of the Sun blew out an X4.9 flare (one of the largest of the current solar activity cycle) and a coronal mass ejection...
Hot Shots from SOHO
Comet ISON: Faded Glory
Comet C/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