Origin of the Universe

The Origin of the Universe

When we look at light from distant galaxies, the frequencies are lower than they should be, they're shifted towards the red end of the spectrum

This is called red shift

It's the same effect as the vroom from a car; the engine sounds lower pitched when the car's gone past you and is moving away, this is called the Doppler effect.

Measurements of red shift suggest that all the galaxies are moving away from…