Synonyms that are in the dictionary are marked in green. Synonyms that are not in the dictionary are marked in red.
Antonyms that are in the dictionary are marked in green. Antonyms that are not in the dictionary are marked in red.
But it’s important to remember that doesn’t mean spaceship or something of extra-terrestrial origin—the term contains no such assertion.
Source: https://slate.com/technology/2023/02/ufos-uaps-shootdowns-natgeo.html?via=rss
In Outside the Circles of Time (1980), Grant calls into question the whole extra-terrestrial vs trans-dimensional dichotomy, seeing outer space as a form of inner space, especially when it comes to alien beings.
Source: https://www.newdawnmagazine.com/articles/aliens-extra-terrestrial-or-trans-dimensional
Kean, Grey, and Grusch have also asserted that other nations have recovered UAP wreckage and performed similar research, creating a virtual Cold War over extra-terrestrial technology.
Source: https://qz.com/debunking-truth-uap-ufo-allegations-congress-1850682493
Military chief leading UFO probe kept awake at night by 'extra-terrestrial threat'
Source: https://www.dailystar.co.uk/sport/football/everton-salmon-away-shirt-reaction-30518894
The team also believe it could have extra-terrestrial water trapped within its minerals, and analysis of these minerals will help the team test the theory that asteroids delivered water to our planet 4.5 billion years ago.