- The red shift is the phenomenon by which light emitted from an object has a longer wavelength than that which had in emission.
This means that the color turns to red.
- The most important is the REDSHIFT in cosmology, due to the expansion of the universe. The stars in particular show a redshift corresponding to the speed with which increases their distance from the earth.
- Copper is used on our duu its displacement from the original duu, aging will change its color, assuming the chromatic variations that the material will take.