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- Sidereal time - Wikipedia
Both solar time and sidereal time make use of the regularity of Earth's rotation about its polar axis: solar time is reckoned according to the position of the Sun in the sky while sidereal time is based approximately on the position of the fixed stars on the theoretical celestial sphere
- SIDEREAL Definition Meaning - Merriam-Webster
The meaning of SIDEREAL is of, relating to, or expressed in relation to stars or constellations : astral
- Sidereal Astrology Chart, Online Calculator | Astro-Seek. com
Home > Free Horoscopes > Sidereal Astrology > Birth Chart > Free Online Vedic Calculator
- Sidereal time: What is it? - EarthSky
Sidereal time measures the rotation of our planet relative to the stars It allows astronomers to keep time without worrying about the motion of Earth around the sun
- SIDEREAL Definition Meaning | Dictionary. com
Sidereal is an adjective that first popped up in the 17th century, and stems from the Latin word sidereus, which means "star " Anything that's sidereal has something to do with stars and constellations
- The Three Types of Year: Sidereal, Tropical, Anomalistic
The sidereal year is the length of time it takes for the Earth to complete a single orbit, on average 365 256363 days However, the Earth’s orbital period and thus the length of the sidereal year can vary a little
- Sidereal time | Celestial Coordinates, Celestial Sphere Equinoxes . . .
Sidereal time, time as measured by the apparent motion about the Earth of the distant, so-called fixed, stars, as distinguished from solar time, which corresponds to the apparent motion of the Sun
- SIDEREAL | English meaning - Cambridge Dictionary
By convention, rotation periods of planets are given in sidereal terms unless otherwise specified
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