Definition of parallactic angle in English:

parallactic angle

noun

The angle formed at a celestial object by the intersection of arcs drawn on the celestial sphere to the observer's zenith and to the celestial pole.

Mid 17th century; earliest use found in Henry Oldenburg (c1619–1677), scientific correspondent and secretary of the Royal Society.

noun

The angle formed at a celestial object by the intersection of arcs drawn on the celestial sphere to the observer's zenith and to the celestial pole.

Mid 17th century; earliest use found in Henry Oldenburg (c1619–1677), scientific correspondent and secretary of the Royal Society.

单词	parallactic angle
释义	Definition of parallactic angle in English: parallactic angle noun The angle formed at a celestial object by the intersection of arcs drawn on the celestial sphere to the observer's zenith and to the celestial pole. Origin Mid 17th century; earliest use found in Henry Oldenburg (c1619–1677), scientific correspondent and secretary of the Royal Society. Definition of parallactic angle in US English: parallactic angle noun The angle formed at a celestial object by the intersection of arcs drawn on the celestial sphere to the observer's zenith and to the celestial pole. Origin Mid 17th century; earliest use found in Henry Oldenburg (c1619–1677), scientific correspondent and secretary of the Royal Society.
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