🔤 Celestial Longitude ✨

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📚noun phrase

celestial longitude

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DEFINITION

the angular coordinate of a celestial object measured eastward along the ecliptic from the vernal equinox

EXAMPLE SENTENCES

Astronomers recorded the planet's celestial longitude before calculating its apparent motion. The textbook distinguishes celestial longitude from right ascension in another coordinate system. Students measured celestial longitude eastward from the vernal equinox along the ecliptic. The chart lists celestial longitude alongside latitude for each observed object. Accurate celestial longitude measurements helped astronomers compare observations made on different dates.

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ecliptic longitude