sun
NOAA: Largest Solar Radiation Storm Since 2005 Now in Progress
[/caption] Earth's magnetic field is already full of activity from an Earth-directed Coronal Mass Ejection (CME) last week. But all…
Aurora Alert! Sun Sends CME in Earth’s Direction
As seen here by the Solar Dynamics Observatory, a long duration M3-class flare began erupting on the Sun from sunspot…
A Solar Flare of Many Colors
Here's a great look at a beautiful, leaping C2.2-Class solar flare from the Sun on January 5, 2012. The Solar…
The Sun Blows Off a Little Steam
[/caption] This is an awesome image of the Sun captured by Efrain Morales Rivera from the Jaicoa Observatory in Aguadilla,…
An Enlightening Mosaic: Sunsets in 2011
[/caption] You’ve likely heard the phrase “axial tilt is the reason for the seasons” and here’s a great depiction of…
Twisting and Eclipsing on the Sun
A video posted today by the team at NASA's Solar Dynamics Observatory shows two recent events on the Sun: a…
Black Friday’s Secret Solar Eclipse
[/caption] While many in the U.S. will be recovering from Thanksgiving day meals and looking for ways to stretch their…
Activity on the Sun Ramps Up with Monster Prominences; Huge Filament Snaps
[/caption] A huge wall of plasma rose from the Sun's southeast limb over the weekend, with what might be one…
Portraits of Our Sun on 11/11/11 at 11:11 UTC
[/caption] The Solar Dynamics Observatory takes images of the Sun about every 10 seconds, so it easily was able to…
Astronomy Cast Ep. 238: Solar Activity
The Sun looks like a harmless burning ball of fire in the sky: warm, life-giving and forever unchanging. But we…