SDO

A Secret Solar Eclipse from Outer Space

Call it the eclipse nobody saw. NASA's Solar Dynamics Observatory (SDO) got its own private solar eclipse showing from its…

7 years ago

Zombie ISON ‘Behaving Like A Comet’, Stunned Astronomers Say

Talk about the Comeback Kid. After Comet C/2012 S1 ISON┬árounded the sun yesterday afternoon, professional astronomers around the world looked…

7 years ago

Is Comet ISON Dead? Astronomers Say It’s Likely After Icarus Sun-Grazing Stunt

Update, 9:55 pm EST: It's a Thanksgiving miracle: apparently it now looks like ISON has actually survived!! Alright we're calling…

7 years ago

This Energy-Boosting Region In The Sun Will Have A New NASA Satellite Watching It

How does the sun's energy flow? Despite the fact that we live relatively close (93 million miles, or eight light-minutes)…

7 years ago

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…

8 years ago

The Sun Doesn’t Cause Earthquakes

If that title seems like an obvious statement to you, it's ok... it seems pretty obvious to me too. But…

8 years ago

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.)…

8 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…

8 years ago

A Rare Type of Solar Storm Spotted by Satellite

[/caption] When a moderate-sized M-class flare erupted from the Sun on May 17, it sent out a barrage of high-energy…

8 years ago

How Big Are Sunspots?

[/caption] The short answer? Really big. The long answer? Really, really big. The image above shows sunspot regions in comparison…

9 years ago