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almucantar
[ al-myoo-kan-ter ]
noun
- a circle on the celestial sphere parallel to the horizon; the locus of all points of a given altitude.
almucantar
/ ˌælməˈkæntə /
noun
- a circle on the celestial sphere parallel to the horizontal plane
- an instrument for measuring altitudes
Word History and Origins
Origin of almucantar1
Word History and Origins
Origin of almucantar1
Example Sentences
Two stars which have the same almucantar have the same altitude.
Curiously enough Dr. Küstner, in his determination of the aberration from a series of observations coincident in time with those of the Almucantar, came upon similar anomalies, and his results, published in 1888, furnish a counterpart to those which I had pointed out in 1885.
The verification afforded by the recent parallel determinations at Berlin, Prague, Potsdam, and Pulkowa, which show a most surprising and satisfactory accordance, as to the character of the change, in range and periodicity, with the Almucantar results, has led me to make further investigations on the subject.
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