Question

How does doppler effect related to expanding universe

Answer 1

Acoustics is the study of sound in different mediums. The Doppler effect changes as the medium changes.

Step-by-step explanation:

Answer 2

The Doppler Effect is evidence that the universe is expanding. When stars or galaxies are moving away from us, we see their color as red shifted. Because the distant galaxies are red shifted, this means that they are all receding with respect to Earth.