News

Astro Bob blog: Big Sunspot Group Heats Up

If you looked up at the sun today through a safe solar filter, you'd easily make out a couple black spots. Both have the potential to kick out flares strong enough to rattle Earth's magnetic defenses. Read post here.

2686672+Sun SDO July 19FEA.jpg — The large sunspot group 2567 is ripe to spawn M-class flares that could stir up auroral activity here on Earth. This photo was taken at 4:15 p.m. Central daylight time today. Credit: NASA/SDO

By Robert King

July 19, 2016 at 5:51 PM

If you looked up at the sun today through a safe solar filter, you'd easily make out a couple black spots. Both have the potential to kick out flares strong enough to rattle Earth's magnetic defenses. Read post here .

By Robert King