thanks that was really helpful. it said that the redshift acquired value of the velocity of the receding galaxies is proportional to their distance from earth. thanks again :-)
I found a question in a Maltese physics past paper dealing with the doppler effect. I managed to figure out the part dealing with the effect of motion of the wave source, but i was asked this:
How does The Doppler Effect show us the difference between galaxies that are near and those that are...