Seen above are magnetic structures on the surface of the sun, imaged by the Swedish 1-m Solar Telescope, operated by the Institute for Solar Physics. This photo is one of a series of, er, hot photos of the sun recently posted to the always amazing Big Picture blog. The Sun at The Big Picture (Thanks, Mark Dery!)
David Pescovitz is Boing Boing's co-editor/managing partner. He's also a research director at Institute for the Future. On Instagram, he's @pesco.