Question

what is red shift? Explain in detail.

Answer 1

It is moving of an object far from us and shift to the red and of the spectrum.But if comes close to us it shifts to the blue end of the spectrum.

Hope it helped you...........

Answer 2

The displacement of spectral lines towards longer wavelengths (the red end of the spectrum) in radiation from distant galaxies and celestial objects is called doppler effect..