Question

what is redshift? (in laymen terms)

Answer 1

RED SHIFT

Red shift' is a key concept for astronomers.

The term can be understood literally - the wavelength of the light is stretched, so the light is seen as 'shifted' towards the red part of the spectrum.

Something similar happens to sound waves when a source of sound moves relative to an observer.

Answer 2

Explanation:

'Red shift' is a key concept for astronomers. The term can be understood literally - the wavelength of the light is stretched, so the light is seen as 'shifted' towards the red part of the spectrum.