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astrophile

noun
as·​tro·​phile | \ ˈastrəˌfīl\
variants: or astrophil \ -​ˌfil \
plural -s

Definition of astrophile 

: one fond of star lore : an amateur astronomer go for its members into the ranks of the amateurs and astrophiles— Harlow Shapley

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History and Etymology for astrophile

astr- + -phile, -phil

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