Wiktionary
n. rotational period
Wikipedia
In astronomy, the rotation period of a celestial object is the time that it takes to complete one revolution around its axis of rotation relative to the background stars. It differs from the planet's solar day, which includes an extra fractional rotation needed to accommodate the portion of the planet's orbital period during one day.
Usage examples of "rotation period".
I wouldn't dare dive into the radiating gas shell around a pulsar, but this beast seems to have a long rotation period and no gas envelope at all.
The planet's volume is about 750 times that of Earth, and the rotation period is 10 hours and 15 minutes (although that period is not the same at all latitudes.
The same sequence of observations that provides a new value for the rotation period also shows that the rotation rate is still increasing, by 0.
By the time Rimillia had a normal enough rotation period to give her a decent sunset, every tree on the planet would be long dead.
It was a home from home: even its rotation period roughly matched an Earth day.
And he knew the rotation period of Venus and the time of last noon, so he could figure the day, hour, and minute his watch would show when the Sun crossed the meridian.
The forty-two-hour rotation period of Genizee stretched the end of night forever.
Trantor was the capital world of the Galaxy for twelve thousand years--the most populous world for twenty thousand years--yet it did not impose its rotation period of 1.
Trantor was the capital world of the Galaxy for twelve thousand years-the most populous world for twenty thousand years-yet it did not impose its rotation period of 1.
Trantor was the capital world of the Galaxy for twelve thousand years-the most populous world for twenty thousand yearsyet it did not impose its rotation period of 1.