mean solar time
noun Astronomy.
time measured by the hour angle of the mean sun.
RELATED CONTENT
A massive new planet in our solar system named Tyche? Maybe. But what does “Tyche” mean?There may be a new planet joining the solar system. A provocative hypothesis posed by a duo of planetary astronomers from the University of Louisiana-Lafayette includes the existence of the planet Tyche: a ninth planet estimated to be four times the size of Jupiter located somewhere at the outermost reaches of the solar system. It’s hard to know what is more enjoyable: stories about planets …
Nearby words
- mean noon,
- mean planet,
- mean proportional,
- mean sea level,
- mean solar day,
- mean square,
- mean square deviation,
- mean sun,
- mean time,
- mean to
Also called mean time.
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019