Q&A GeneralWhy did the orbit carry a calendar?It liked regular cycles.Why it works: This wordplay is explicitly written for Astronomy and uses subject vocabulary as the comic mechanism.Copy jokeSave▲ 0Topics connected to this jokeAstronomyAstronomy PunsCleanCleverFunnyPunSchoolSchool PunsScienceScience Classroom JokesScience PunsScience Puns for the ClassroomSpaceSpace Classroom JokesSpace Puns for the Classroom