sun
A Branching “Tree” of Solar Plasma
Hydrogen-alpha photo of the Sun by Alan Friedman An enormous tree-shaped prominence spreads its "branches" tens of thousands of miles…
Disco Sun: X-Class Flare Creates Strobe-Light Effect
An active region just turning into view on the left side of the Sun has emitted three large flares since…
Our Gorgeous, Graceful, Gradient Sun
Here's a mesmerizing video from the folks over at NASA's Goddard Space Flight Center's visualization studio showing the Sun in…
Astrophoto: Stunning Sun Halo Revisited
When we posted an astrophoto earlier this week of a spectacular 22-degree Sun halo seen in Kuala Lumpur, we quickly…
Astrophoto: Spectacular 22-Degree Sun Halo Over Kuala Lumpur
A 22 degree Sun halo was seen in Kuala Lumpur on October 2, 2012. Credit: Shahrin Ahmad Denizens of Kuala…
Peekaboo Sun: SDO’s Eclipse Season
Now you see it, now you don't! Around the solstices, the Solar Dynamics Observatory ends up having an “eclipse season,”…
Parallax Effect Charted in the 2012 Transit of Venus
Combined images taken simultaneously (06 June 2012, 03:46:18 UTC) from Svalbard and Canberra, showing the Venus parallax effect from 2…
Planets in our Solar System May Have Formed in Fits and Starts
Solar shockwaves would have produced proto-planetary rings at different times, meaning the planets did not form simultaneously (artist concept). Credit:…
STEREO Spots a CME Soaring Into Space
Press "play." Say "wow." The enormous eruption of a solar prominence and resulting coronal mass ejection (CME) back on August…
Huge Eruption on the Sun Revisited in Spectacular HD
This one may truly knock your socks off. Remember the spectacular filament eruption on the Sun on August 31 that…