(n.) = Tuesday. Ex: DATA-STAR is available on Mondays from 10.00 to 18.30, and Tuesdays to Fridays from 8.00 to 18.30. ---- * el martes = on Tuesday. * martes de carnaval = Mardi Gras ; fat Tuesday ; pancake Tuesday ; Shrove Tuesday. * martes negro = Black Tuesday. * martes por la mañana, el = Tuesday morning. * martes por la tarde, el = Tuesday evening. (n.) = Mars. Ex: This article reports the work of the Russian Space Documentation Scientific Research Centre in developing an automatic to visualize, restore and copy the digital image data returned to earth from Russian space probes surveying the Moon, Mars, Venus and Phobos. ---- * de marte = Martian.