Like galaxies (6)

I believe the answer is:

astral

'like galaxies' is the definition.
(I've seen this in another clue)

This is the entire clue.

(Other definitions for astral that I've seen before include "Like the stars" , "Pertaining to the stars" , "19 [STELLAR]" , "Characteristic of stars" , "Related to the stars" .)

I've seen this clue in the King Feature Syndicate.

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