| the sky | 0.40 |
| appear in the sky | 0.54 |
| move across the sky | 0.46 |
| hover over the city | 0.44 |
| mean unidentified flyin… | 0.44 |
| garner considerable int… | 0.41 |
| hover in the air | 0.38 |
| deactivate nuclear weap… | 0.38 |
| crash in roswell | 0.38 |
| leave the area | 0.38 |
| make sharp turn | 0.37 |
| More » |
| sylvia anderson | 0.25 |
| basis | 0.31 |
| wing | 0.31 |
| shadow | 0.25 |
| manuverability | 0.25 |
| real | 0.67 |
| extraterrestrial | 0.57 |
| unexplained | 0.50 |
| explainable | 0.49 |
| unknown | 0.49 |
| circular | 0.48 |
| visible | 0.47 |
| stationary | 0.45 |
| invisible | 0.44 |
| big | 0.43 |
| More » |
| sighted | 0.61 |
| photographed | 0.57 |
| reported | 0.56 |
| tracked on radar | 0.50 |
| seen at night | 0.47 |
| identified as conventio… | 0.44 |
| identified as phenomenon | 0.44 |
| referred as flying sauc… | 0.42 |
| picked up on radar | 0.40 |
| referred as flying discs | 0.38 |
| More » |