Witness are the Stars that set along a course appointed. (They never misguide you. He Who commands them, commands the Messenger (6:98), (56:75). 'Wa' = And = Consider = Witness = For = By. 'Najm' is singular as well as plural in the form of a galaxy)
I (God) swear by the star when it goes down (explode and throw its energy back to the universe creating a nova: The most awesome happening in the universe.
Faridul Haque
By oath of the beloved shining star Mohammed (peace and blessings be upon him), when he returned from the Ascent