galactic plane
Americannoun
noun
Etymology
Origin of galactic plane
First recorded in 1840–50
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.
The right panel shows a side view, cutting vertically through the galactic plane.
From Science Daily ● Oct. 22, 2025
But because the signals emanate from the crowded galactic plane, optical telescopes could not see which of many stars might be producing them.
From Science Magazine ● Dec. 3, 2024
In the 1980s he and his colleagues discovered the first known filaments—streaks of superfast particles that stretch vertically through the galactic plane for more than 100 light-years and remain unexplained.
From Scientific American ● Jun. 22, 2023
The new filaments are shorter — a few light-years in length — and they run in a different direction, parallel to the galactic plane rather than through it.
From New York Times ● Jun. 8, 2023
If we could follow the motion of individual stars bobbing about the galactic plane, they would resemble a froth of popcorn.
From "Cosmos" by Carl Sagan
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.
