| 1 | Beyond that is the solar wind, an outflow of gas from the corona. | |
| 2 | Both flares and coronal mass ejections can create space weather if aimed at Earth. | |
| 3 | All that's visible during totality is the sun's relatively faint upper atmosphere, called the corona. | |
| 4 | For the first time, small, short-lived spicules have been clocked jetting million-degree plasma into the corona. | |
| 5 | The sun's outermost region, called the corona, shines like a halo around the moon during a total solar eclipse. |