I think the word terrestrial is common prominent term for biology-related contexts but when we look at the word celestial, it is not antonym of the word terrestrial because of the religious meaning given to it.

I would like to ask if the word celestial is used in scientific context and if is not what could possible antonym of the word terrestrail be in terms of science.

  • "Celestial" is definitely used in scientific contexts. It is used to refer to stars, etc.
    – Dog Lover
    Aug 20, 2015 at 23:44

1 Answer 1


In a scientific context, you are more likely to find extraterrestrial:


1) existing, taking place, or coming from outside the limits of the earth

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