| 词汇 | unidentified-aerial-phenomenon |
| 释义 | unidentified aerial phenomenon noun[ C ] (alsoUnidentified Aerial Phenomenon)uk /ʌn.aɪˌden.tɪ.faɪd ˌeər.i.əl fɪˈnɒm.ɪ.nən/ us /ʌn.aɪˌden.t̬ə.faɪd ˌer.i.əl fəˈnɑː.mə.nɑːn/pluralunidentified aerial phenomenauk /ʌn.aɪˌden.tɪ.faɪd ˌeər.i.əl fɪˈnɒm.ɪ.nə/ us /ʌn.aɪˌden.t̬ə.faɪd ˌer.i.əl fəˈnɑː.mə.nə/(abbreviationUAP) an object seen in the sky whose origin is not known, and that some people think is possibly a spacecraft from another planet: Unidentified aerial phenomena are officially defined as sightings "that cannot be identified as aircraft or known natural phenomena from a scientific perspective". The Office of the Director of National Intelligence submitted to Congress a preliminary report regarding Unidentified Aerial Phenomena. The report on unidentified aerial phenomena concludes there is no point monitoring alleged sightings of such phenomena since they contain, on balance, no information of any interest whatsoever to defence intelligence. The petition called on the government to commission a comprehensive report, collating all the information relating to reports of UFO (unidentified flying objects) or UAP (unidentified aerial phenomena) which have taken place within the UK. Since at least the end of World War II, the public has been fascinated by the appearance of unidentified flying objects (UFOs) and other unidentified aerial phenomena (UAPs). Space travel airlock astronaut astronautics autopilot biosatellite blast capsule cosmonaut escape velocity EVA flyby launcher rocket science rocket scientist space capsule space probe space shuttle space tourism space tourist spacewalk You can also find related words, phrases, and synonyms in the topics: Air travel: aviation |
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