sunspot
A Sunspot, Revealed in Incredible Detail by Europe’s Newly Upgraded GREGOR Telescope
I wear glasses for astigmatism. But, as a stargazer with a visual impediment, turns out I’m in good company. The…
Curiosity Rover Snaps Photos of Comet Siding Spring, Giant Sunspot and Mars-shine
NASA's Curiosity Rover spends most of its time staring at the ground, but like humans, it looks up once in a while too.…
Beastly Sunspot Amazes, Heightens Eclipse Excitement
That's one big, black blemish on the Sun today! Rarely have we been witness to such an enormous sunspot. Lifting…
Awesome Photo Shows Monster Sunspot Aiming Our Way
It's a-comin': a "monster" sunspot is steadily rotating around the Sun's southern hemisphere and will soon be in position to fire…
Aurora Watch! Two Solar Particle Blasts Could Start Smacking Into Earth Friday
Bim, bam, smash! The Sun hurled two clouds of particles in our general direction, putting space weather watchers on alert.…
A Stunning Image of our Home Star
Active regions 2108 and 2109 are now passing around the limb of the Sun, but not before solar photography specialist Alan…
These Are Really, Really Big Sunspots Facing Earth Right Now
Do you feel like you're in the firing gallery? These sunspots are practically square-on to Earth right now. Although they…
Yet Another X-Class Flare From AR 1748
Last night, as Commander Hadfield and the Expedition 35 crew were returning to Earth in their Soyuz spacecraft, the Sun…
AR1654 is a Monster Sunspot. (And It’s Aiming Our Way.)
Active Region 1654 on the Sun's western limb, seen by SDO on Jan. 11 (NASA/SDO/HMI team. Diagram by J. Major.)…
HI-C Returns Most Detailed Images Ever of the Sun’s Corona
NASA's High Resolution Coronal Imager (Hi-C) mission, launched Wednesday, July 11 from White Sands Missile Range in New Mexico, successfully returned…