g louder, what does this mean? This means the car is getting closer. Now
             you hear the same sound getting quieter this must mean the car is moving away from you.
             Redshifting is allot like the sound of the car moving away from you.
             In 1929, Edwin Hubble decided that because the light coming from most galaxies was
             redshifted, the universe must be expanding after exploding from an infinitesimal volume
             of superhot, superdense concentration of matter and energy. The explosion is called the
             big bang. According to the big bang theory, the farther away an object is from us, the
             more redshifted its light. Also, a greater redshift means the object is moving away faster
             ...