"A light year is the distance light would travel in a year if at the speed we have computed it to be on earth . How gravity affects light in space in pure specualtion as almost all of the cosmological theories are ."
"Ever heard of gravitational lensing ? It was the FIRST test of general relavtivity back in 1919. http : //archive.ncsa.uiuc.edu/Cyberia ... steinTest.html"
"How gravity affects light in space in pure specualtion as almost all of the cosmological theories are ."
"It was the FIRST test of general relavtivity back in"