Question

Which of the following statements about the universe is true?

O A. It is growing smaller.
O B. It is staying the same size.
C. It is expanding.
D. Part of it is shrinking, while another part is expanding.

Answer 1

our universe is expanding

Step-by-step explanation:

we perceive waves at different frequencies depending on our movements.the change in perceived frequency of a wave is called a Doppler shift.

Answer 2

(C) It is expanding

Step-by-step explanation:

The nano-second the Big Bang happened, the universe started expanding - and it’s going to continue expanding forever. There is a theory that the universe is “flat” and it’s expanding at a rathe of 67km per second per megaparsec.

Hope this helped!