by the way, I realise we're unable to transfer data faster than the speed of light so if x were the amt. of years it took for the light from planet earth to reach the telescope it would take at least x years for us earthlings to recieve this image from the telescope, but if we earthlings were not extinct by then, in x years we could recieve the an image of the earth 2x years ago, and so on right?
I wouldn't think of this as literal time travel, if all your doing is "catching up" with light waves. The very vague understanding I had of it was that if you reach the maximum on the velocity axis (speed of light) you are at 0 on the time axis. If this were the case you wouldn't merely be seeing light from the past, but be in the presence of all physical things.