Where does “coelostat” come from?
coelostat (English) comes from Latin caelestis, from Latin caelum, from Proto-Italic kailom, from Proto-Indo-European keh₂i-lom, from Proto-Indo-European keh₂i-.
coelostat (English): A device that rotates a telescope so as to keep...
Definitions
- A device that rotates a telescope so as to keep...