A person who worships stars or celestial bodies, or who practices astrolatry.
From 'astro-' (star) + 'later' (one who worships, from Latin 'latria' meaning worship). This term emerged in theological writings to describe certain ancient and non-Christian religious practices.
Astrolaters were real—many ancient cultures actually worshipped stars and planets as gods, and astrolatery was serious enough that medieval theologians developed specific vocabulary to argue against it in their writings!
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