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Earth Rotation Time
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Fundamentals | |
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Title | Earth Rotation Time |
Author(s) | J. Sanz Subirana, JM. Juan Zornoza and M. Hernandez-Pajares, University of Catalunia, Spain. |
Level | Advanced |
Year of Publication | 2011 |
A time linked to the earth's rotation can be measured from the angle between a reference meridian (local or the Greenwich one) and the meridian containing a celestial reference: the Solar Time takes the Sun as a reference, whereas the Sidereal Time takes the Vernal Equinox (the Aries Point) as a reference.