Advertisement - Continue reading below

Definition of "celestial longitude" [celestial longitude]

  • The angular distance eastward from the vernal equinox along the ecliptic to the great circle drawn through the pole of the ecliptic and a celestial body. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Words like "celestial longitude"