✓ The colour of objects indicates their distance • This video depicts the concept of Red shift and its visual interpretation. • As the universe expands, it spreads the wavelengths of light along with it, a process called redshift. • The farther away an object is, the more the light from it has stretched by the time it reaches us. • Redshift is also clarified as the transition in the wavelength of the light divided by the wavelength that the light would have if the source was not moving — called

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