sun
Aurora Alert! Solar Flare Heading Our Way
An active sunspot (1123) erupted early this morning (Nov. 12th), producing a C4-class solar flare and apparently hurling a filament…
Solar Explosions Spark Controversy
[/caption] Nowhere in the Solar System are conditions more extreme than the Sun. Every second it converts millions of tons…
Astrophotos: Halo Around the Sun in South Africa Today
[/caption] Residents around Johannesburg, South Africa were treated with a rare astronomical (or actually atmospheric) sight -- a halo around…
Spacecraft Calibrations Provide Unique Solar “Artwork”
[/caption] If you check out the Solar Dynamics Observatory website today to get an update of what the Sun is…
Mysterious Ribbon at Edge of Solar System is Changing
A year ago, researchers from the IBEX mission – NASA’s Interstellar Boundary Explorer – announced the discovery of an unexpected…
Solar Dynamics Observatory Earns its Stripes
[/caption] "Now we know what it would look like if Jupiter and the sun had a child," joked Ralph Seguin…
Amazing Sunspot Image from New Solar Telescope
[/caption] A new type of adaptive optics for solar observations has produced some incredible results, providing the most detailed image…
Amazing Image: Map of Magnetic Field Lines of the Sun
[/caption] The Sun's corona is threaded with a complex network of magnetic fields, and this amazing new image from the…
Venus and Mercury Blasted by Recent Solar Storms
Update: Well, it turns out that while it looks like Venus and Mercury are getting pummeled by Coronal Mass Ejections,…
The Sun is Waking Up: 5 Sunspots Today
Here's something we've not seen in a long while: five sunspots on the Sun at once. Is the Sun finally…