sidereal hour
Britishnoun
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 latter are divided into sidereal hours, minutes and seconds as the solar day is.
From Project Gutenberg
The sun apparently moves at the rate of 15� in a solar hour; the stars at the rate of 15� in a sidereal hour.
From Project Gutenberg
For example, if the right ascension of a star is exactly 15�, it will pass the meridian one sidereal hour after the vernal equinox.
From Project Gutenberg
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.
