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Of or from outside the earth or its atmosphere:‘searches for extraterrestrial intelligence’
other-worldly, not of this world, supernatural, preternatural, extraterrestrial, alienView synonyms
- ‘Despite the likelihood that humans are alone in the universe, the search for extraterrestrial intelligence will continue, said famed scientist Jill Tarter.’
- ‘I have nothing against scientific surveys scanning the heavens for signs of extraterrestrial intelligence.’
- ‘Organic molecules, such as amino acids, organic acids, and sugars have been observed in material from extraterrestrial sources in the solar system.’
- ‘But, Sagan was also known for his optimistic search for extraterrestrial intelligence.’
- ‘The researchers still didn't detect extraterrestrial microorganisms on Earth.’
- ‘Meteorites, on the other hand, are extraterrestrial material that have made it to Earth's surface and can weigh many tons.’
- ‘Richard and Scott both believed there was extraterrestrial life beyond Earth.’
- ‘As only Earth meets this requirement, there is no extraterrestrial life in the solar system.’
- ‘No other robotic spacecraft has ever collected extraterrestrial material and returned it to Earth.’
- ‘Scientists are of two minds regarding the existence of extraterrestrial intelligence.’
- ‘The period of these signals was so precise that they were initially thought to be signs of extraterrestrial intelligence.’
- ‘It appears increasingly likely that there are extraterrestrial environments that could support Earth organisms.’
- ‘Meanwhile, belief in extraterrestrial intelligences continues to grow with an almost religious fervour.’
- ‘Not far from the site of delivery of Earth's first extraterrestrial calling card was a pretty little dell.’
- ‘I suggest that green fireballs may be extraterrestrial probes entering our atmosphere.’
- ‘Obviously if UFOs are as rampant as people claim, SETI would be overloaded with messages of extraterrestrial intelligence.’
- ‘Other sources of high iridium concentrations are extraterrestrial objects, such as meteorites or comets.’
- ‘It is possible that the increase of stardust in the Solar System will influence the amount of extraterrestrial material that rains down to Earth.’
- ‘A former teacher founded the cult in 1969 and claimed to have shielded earth from extraterrestrial invasion on numerous occasions.’
- ‘One additional data point about how frequently life occurs in the universe is not going to settle any debates about extraterrestrial intelligence.’
A hypothetical or fictional being from outer space.
- ‘The shortage of black speculative fiction writers and fans in no way means there is a lack of interest in outer space, flying saucers, or extraterrestrials in the black community.’
- ‘Mars has long been considered not only difficult to explore but alluring, given its reputation as the most likely spot in the solar system to harbor extraterrestrials.’
- ‘The two principal alternatives to the explanation that crop circles are made by humans are that they are made by extraterrestrials, or that they are made naturally by wind vortices.’
- ‘While science fiction routinely describes face-to-face encounters with intelligent aliens, it may be that we will never actually meet extraterrestrials.’
- ‘This is an extremely hard subject to present to people that are not knowledgeable about physics or science in general and extraterrestrials in particular.’
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