... TRANSIT: The movement of an object between the Earth and the Sun and showing on the surface of the sun as a black dot. ... An object "transits" when its line of right ascension crosses the zenith. The opposite of zenith is nadir. ...
... Need to know when to watch? Then take this: . Great Red Spot Transit Times (UT) : . ... Chumack of Northern Galactic for sharing his image with us and to Sky Telescope Magazine for the GRS transit prediction times ...