If a star is moving away from the earth, toward which color will its visible light be shifted?

A.
blue

B.
yellow

C.
red

D.
white

Question

If a star is moving away from the earth, toward which color will its visible light be shifted?  
 
 

 
 

  

  A. 
  blue   
   

 
 

  

  B. 
  yellow   
   

 
 

  

  C. 
  red   
   

 
 

  

  D. 
  white

primeralph · Answer

Moving away means energy decreasing relative to earth. What color of light has the lowest energy?

anonymous · Answer

this is a 3 question test so need help

unklerhaukus · Answer

when moving away, the waves are relatively longer which colours have long wavelengths ?

primeralph · Answer

This is a test? Not allowed to help.
Good luck.

primeralph · Answer

Red.

anonymous · Answer

Not allowed to help. Next comment=Red :P

anonymous · Answer

lol http://openstudy.com/study#

anonymous · Answer

im new here

anonymous · Answer

hi im lola and im korean