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  • ... finding that in [the Moon] there is a provision of light and heat; also in appearance, a soil proper for habitation fully as good as ours, if not perhaps better who can say that it is not extremely probable, nay beyond doubt, that there must be inhabitants on the Moon of some kind or other?

    William Herschel (2013). “The Scientific Papers of Sir William Herschel”, p.90, Cambridge University Press