Is there a relation between light and gravity?

[QUOTE=Liberal]

Related question: if a luminous object were moving away from us at the speed of light, would we be able to see it? Would photons travelling opposite its direction basically be standing still?
[/QUOTE]

Oh boy! the responses should be good!!
Dr. Einstein asked the same question. His conclusion was illuminating… :stuck_out_tongue:

[QUOTE=rbroome]

Dr. Einstein asked the same question. His conclusion was illuminating… :stuck_out_tongue:
[/QUOTE]

And his conclusion was??

Did it have anything to do with redshift and energy loss or what?

Oh boy! Your response should be good!!