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astronomical frame of reference
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noun Physics.
a frame of reference in which the sun or center of mass of the universe is fixed and which does not rotate with respect to the fixed stars.
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Words nearby astronomical frame of reference
astronomer, Astronomer Royal, astronomical, astronomical clock, astronomical distance, astronomical frame of reference, astronomical telescope, astronomical triangle, astronomical twilight, astronomical unit, astronomical year
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Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023