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astronomical triangle
noun
the spherical triangle formed by the great circles connecting a celestial object, the zenith, and the celestial pole.
Origin of astronomical triangle
First recorded in 1915–20
Words nearby astronomical triangle
astronomical clock
,
astronomical distance
,
astronomical frame of reference
,
astronomical refraction
,
astronomical telescope
,
astronomical triangle
,
astronomical twilight
,
astronomical unit
,
astronomical year
,
astronomy
,
astrophotography