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 sun apparently moves at the rate of 15� in a solar hour; the stars at the rate of 15� in a sidereal hour.
From Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 7 "Arundel, Thomas" to "Athens" by Various
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 Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 7 "Arundel, Thomas" to "Athens" by Various
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