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I recently came upon a post exploring the possibility of Time Travel. In that post the writer, ( my friend &tarunandlaxmi ) pointed out that most conventional scientists of our day think backward time travel, or traveling into the past is an impossibility. However, according to Relativity Theory skipping into the future should be quite possible, given the ability to attain great speeds approaching but not quite reaching the speed of light. We aren't that fast yet, but if we should live long enough, and attain sufficient technological advancement, relativistic speeds are within our grasp. When that day comes, the principles of time dilation will make future time travel very possible. However, by that method, it is a one way trip. There would be no way to come back with that particular technological approach. But we are still left with the question; is it possible to travel back to the past, by some other technological method?

The further you travel into outer space, the more you realize our most important relationships are down here on Earth. Astronauts have always looked back on their homeworld. They see the world as a fragile blue marble floating in the blackness of space when seen from the Moon. Astronauts can see the world with their own eyes flip through the pages of the book Story of astronauts living on the Moon, which holds all the people they love. That connection provides a sense of stability and reassurance that they will return after their mission.