empyrean

nouns

the apparent surface of the imaginary sphere on which celestial bodies appear to be projected
celestial sphere, empyrean, firmament, heavens, sphere, vault of heaven, welkin
is derived from
empyreal

adjectives

of or relating to the sky or heavens
"the empyrean sphere"
empyreal, empyrean
inspiring awe
"well-meaning ineptitude that rises to empyreal absurdity"- M.S.Dworkin; "empyrean aplomb"- Hamilton Basso; "the sublime beauty of the night"
empyreal, empyrean, sublime