orbital

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Definition/MeaningWord/Phrase
(astronomy) a measure of time defined by Earth's orbital motion; terrestrial time is mean solar time corrected for the irregularities of the Earth's motions ephemeris time , TDT , terrestrial dynamical time , terrestrial time , TT
made the first orbital rocket-powered flight by a United States astronaut in 1962; later in United States Senate (1921-) Glenn , John Glenn , John Herschel Glenn Jr.
single complete turn (axial or orbital) gyration , revolution , rotation
law stating that the ratio of the square of the revolutionary period (in years) to the cube of the orbital axis (in astronomical units) is the same for all planets harmonic law , Kepler's third law
vein that begins at the inner angle of the eye socket and passes through the superior orbital fissure to empty into the cavernous sinus superior ophthalmic vein
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