Question

The number of frames of reference in the universe is----------

Answer 1

There are infinite frames of reference in the universe.

Every one of these is time related, so the frame of reference for every event is unique.

Every motion or rest can be explained with a frame of reference of the surroundings, on a small scale or a larger scale, extending up to a universal frame of reference or being a miniature atomic level.

Answer 2

heya....

your answer is:

The number of frames of reference in the universe is infinite.

It may help you...☺☺