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sidereal hour angle

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noun Astronomy.

the angle, measured westward through 360°, between the hour circle passing through the vernal equinox and the hour circle of a celestial body.

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Mississippi’s nickname comes from the magnificent trees that grow there. What is it?
Compare hour angle.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

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