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Extraterrestrial life, or alien life (colloquially, alien), is life which does not originate from Earth. No extraterrestrial life has yet been scientifically conclusively detected.
9 Μαρ 2024 · space alien (plural space aliens) (chiefly US) An extraterrestrial being; a visitor from outer space.
You use space to refer to an area that is empty or available. The area can be any size. For example, you can refer to a large area outside as a large open space or to a small area between two objects as a small space.
10 Σεπ 2021 · Do aliens exist? Extraterrestrial life has never been discovered, but that doesn’t mean it doesn’t exist. At NASA, astrobiologists like Lindsay Hays are trying to answer one of the most profound questions ever: Is there life beyond Earth?
What does the noun space alien mean? There is one meaning in OED's entry for the noun space alien . See ‘Meaning & use’ for definition, usage, and quotation evidence.
9 Φεβ 2021 · The first recorded use of alien to mean “not of the Earth” was in 1920 — though one suspects it had happened previously. The word took off with the invention of the aircraft and the subsequent invention of the space shuttle. And the OED puts some early examples:
25 Οκτ 2023 · The existence of extraterrestrial life, commonly referred to as "aliens," is a topic of great interest and speculation. Scientists have been actively searching for signs of extraterrestrial life through programs like the Search for Extraterrestrial Intelligence (SETI) Institute.
