'Red shift' is a key concept for astronomers. The term can be understood literally - the wavelength of the light is stretched, so the light is seen as 'shifted' towards the red part of the spectrum. Something similar happens to sound waves when a source of sound moves relative to an observer.
Art: Emilio Santoyo
Standard Fit Jersey
Manufactured by Endo Customs in Los Angeles, CA
Italian engineered fabric from M.I.T.I.
100% polyester with mechanical stretch for ultimate comfort
Full length hidden zipper, 3 back pockets, Endo Gel-Fast elastic