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单词 astronomical triangle
释义

Definition of astronomical triangle in English:

astronomical triangle

noun
historical
  • (On the celestial sphere) a spherical triangle whose corners are respectively a celestial pole, the local zenith, and the object under observation, used in converting between different coordinate systems; also called celestial triangle.

Origin

Mid 19th century.

 
 

Definition of astronomical triangle in US English:

astronomical triangle

noun
historical
  • (On the celestial sphere) a spherical triangle whose corners are respectively a celestial pole, the local zenith, and the object under observation, used in converting between different coordinate systems; also called celestial triangle.

Origin

Mid 19th century.

 
 
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