parallactic motion
Americannoun
Etymology
Origin of parallactic motion
First recorded in 1885–90
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
In both cases the motion may be either a reflex of the motion of the observer, and is then called parallactic motion, or it may be caused by a real motion of the star.
From Lectures on Stellar Statistics by Carl Vilhelm Ludvig Charlier
If we ascertain the parallactic motion of a group of stars, then we can find their average distance.
From Astronomy: The Science of the Heavenly Bodies by David Peck Todd
By parallactic motion is meant the apparent displacement in consequence of the solar motion which is now known with great accuracy, and amounts to 19.5 kilometers per second.
From Astronomy: The Science of the Heavenly Bodies by David Peck Todd
From the parallactic motion of the star it is possible to deduce its distance from the sun, or its parallax.
From Lectures on Stellar Statistics by Carl Vilhelm Ludvig Charlier
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
