ejection time leisure time lethal time lifetime lighting-up time light time linear time link time lived time live time load time local mean sidereal time local...
comet sidereal orbital period sidereal period sidereal rotation period Sothic period sunrise period synodic period time of pericentre passage time period...
optical rotation race rotation rotation curve rotation period rotation time sidereal rotation period specific rotation Van Nes rotation Wick rotation rotary...