| Clue | Source | Date |
|---|---|---|
| Space missions that collect data without landing | New York Times | 24 Jan 2023 |
| Spacecraft data-collection passes | LA Times Daily | 11 Feb 2015 |
| Low-altitude Blue Angels passes | ||
| Spacecraft data-collection passes | ||
| Visits by Voyager 1, e.g. | ||
| Means of obtaining data about planets | ||
| Airshow thrills |