2 years, 8 months ago
What is sidereal time?
Explain how the concept works
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M$1 Answer
Sidereal time is the clock by which astronomers use to set the direction they will have to point their telescopes to view any particular star or celestial body.
This is the local Sidereal time clock
This Link explains how sidereal time works.
A sidereal day is approximately 23 hours, 56 minutes, 4.091 seconds
This is the local Sidereal time clock
This Link explains how sidereal time works.
A sidereal day is approximately 23 hours, 56 minutes, 4.091 seconds
images:
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M$
Will you explain how astronomers use the celestial equator, celestial horizon, and ecliptic to find a constellation? Why are the different planes required to find a 3d coordinate?
I think this quote will help.
"The Earth must rotate an extra 0.986 degrees between solar crossings of the meridian. Therefore in 24 hours of solar time, the Earth rotates 360.986 degrees."
I'm sorry Dave at this point things get a little difficult for me to understand exactly.
I think these links will answer your question,
http://www.bisque.com/help/theskyx%20sae%20info/theskyx_standard_features.htm
http://www.muslimheritage.com/uploads/CelestialGlobes.pdf
http://www.pari.edu/about_pari/newsletter/Sping09interactivelink.pdf