| Typicality: | 0.274 |
| Saliency: | 0.361 |
| for the space sector | 8 | transitive-object |
| in recent geological history | 7 | temporal |
| far back | 5 | other |
| rate → be → unprecedented | 39 |
| negative | neutral | positive |
| 0.246 | 0.489 | 0.265 |
| Raw frequency | 39 |
| Normalized frequency | 0.361 |
| Modifier score | 0.100 |
| Perplexity | 216.391 |