Swept up in the solar wind
Wednesday, May 11, 2016 - 12:30
in Astronomy & Space
The sun's outer layer, the corona, constantly streams out charged particles called the solar wind. But it's not the kind of wind you can fly a kite in. Even the slowest solar wind can reach speeds 700,000 mph. And while scientists know a great deal about solar wind, the source and causes of the slow wind remain mysterious.