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.
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
By studying magnesium atom emission signals, the team was also able to map the morphology of these winds, which appear as cones of matter perpendicularly ejected from both sides of the galactic plane.
From Science Daily ● Dec. 6, 2023
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.
