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Explore 2 published pages tagged with Ephemeris, grouped automatically from article text, entity focus, and recurring topical signals.
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astronomy-basics
Retrograde is an apparent backward motion of a planet in the sky caused by the relative positions and speeds of Earth and the other planet. It is an observational effect, not a...
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Mercury is currently located in the sky according to the most recent ephemeris data from JPL Horizons and standard astronomical references for UTC today , precise right ascensio...
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