WHAT IS GRAVITATIONAL RED SHIFT?
Asked by A R LAKSHMI | 31st Oct, 2013, 07:54: PM
In physics, redshift happens when light or other electromagnetic radiation from an object moving away from the observer is increased in wavelength, or shifted to the red end of the spectrum. In general, whether or not the radiation is within the visible spectrum, "redder" means an increase in wavelength equivalent to a lower frequency and a lower photon energy.
Answered by | 4th Nov, 2013, 11:19: PM
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