| over the decades | 3 | temporal |
| according to nasa documents | 2 | other |
| astronaut → be → killed | 25 |
| astronaut → be killed in → the disaster | 17 |
| astronaut → be killed in → the line of duty | 3 |
| negative | neutral | positive |
| 0.542 | 0.395 | 0.064 |
| Raw frequency | 45 |
| Normalized frequency | 0.608 |
| Modifier score | 1.000 |
| Perplexity | 97.653 |