sun

Watch This: Solar Prominence Achieves Liftoff

And we have liftoff! The Solar Dynamics Observatory has been providing images and video of some beautiful prominences and filaments…

12 years ago

Spectacular Filament Eruption on the Sun Captured by SDO

Yikes! Not to be outdone by the Blue Moon, the Sun had some impressive action on August 31, 2012 as…

12 years ago

Incredible View of an Active Region on the Sun

Wow! What a view of Active Region 1542 on the Sun! César Cantú from the Chilidog Observatory in Monterrey, Mexico…

12 years ago

Huge Solar Filament Stretches Across the Sun

Caption: High resolution full disc hydrogen alpha composite of the Sun on August 5, 2012, comprising of 6 images for…

12 years ago

Guest Post: Our Explosive Sun

Editor's note: Pål Brekke is a Norwegian solar physicist with a doctorate from the University of Oslo in astrophysics and…

12 years ago

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…

12 years ago

Prelude to an X-Class Solar Flare

Caption: Shimmering coronal loops from Active Region 1515 on the limb of the Sun before it rotates out of view…

12 years ago

Incoming! CME On Its Way Toward Earth

As you read this, a huge cloud of charged solar particles is speeding toward our planet, a coronal mass ejection…

12 years ago

Sunspot 1520 Fires a Flare

Remember that cool animation I posted earlier of AR1520 and how I said there's no guarantee it wouldn't unleash an…

12 years ago

A Shimmering, Simmering Sunspot

This quick animation made by astrophotographer Alan Friedman shows a 30-minute view of sunspot 1520, a large region of magnetic…

12 years ago