Possible Clues:

• Spectral indication of a receding galaxy
• Movement in lines of spectrum of astronomical object towards longer wavelength
• Out-of-this-world effect as snooker player breaks off, potting first of five
• He drifts vaguely into a universal movement
• Phenomenon observed in receding galaxies ... and in the answers to this puzzle's asterisked clues?
• Change in wavelength, as Shed deciphered during break
• Aspect of spectrum
• He drifts off -- light going explains it
• Wine on dress revealed by some observed stars
• Cherry maybe has smock that shows evidence of expanding creation!