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- Sidereal time - Wikipedia
Sidereal time ("sidereal" pronounced s aɪ ˈ d ɪər i əl, s ə- sy-DEER-ee-əl, sə-) is a system of timekeeping used especially by astronomers Using sidereal time and the celestial coordinate system, it is easy to locate the positions of celestial objects in the night sky
- SIDEREAL Definition Meaning - Merriam-Webster
The meaning of SIDEREAL is of, relating to, or expressed in relation to stars or constellations : astral
- 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
- What Is A Sidereal Year, And Why Is It Different From A . . . - IFLScience
Simply put, a sidereal year – it’s pronounced sy-dear-ee-al, by the way, despite being spelled side-real – is the amount of time it takes for the planet to orbit the Sun once with respect to
- SIDEREAL | English meaning - Cambridge Dictionary
Should we really consider two corresponding sections of the same scale as exactly equal to one another: two sidereal days, for example, as exactly equal intervals of time?
- 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 The primary unit of sidereal time is the sidereal day, which is subdivided into 24 sidereal hours,
- What does Sidereal mean? - Definitions. net
Sidereal refers to anything related to stars or constellations More specifically, it is often used in the context of time measurement, where a sidereal day is the time it takes for the Earth to make one complete rotation in relation to the stars, which is approximately 23 hours, 56 minutes
- SIDEREAL Definition Meaning | Dictionary. com
Sidereal definition: determined by or from the stars See examples of SIDEREAL used in a sentence
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