| Clue | Source | Date |
|---|---|---|
| Flow of particles from the sun | The Times Concise | 13 May 2019 |
| Sun emanation responsible for the northern lights | LA Times Daily | 30 Jul 2018 |
| Sun emanation responsible for the northern lights | The Washington Post | 30 Jul 2018 |
| Sun emanation responsible for the northern lights | ||
| *Sun emanation responsible for the northern lights | ||
| *Sun emanation responsible for the northern lights |