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The Importance of Propulsion Technology
"It's not hard to come up with a proof of concept of how you might get somebody willing to spend a year in jail," he says. "I just go look, look down the, it's hard to ... I've been doing this way too long." He points out that our galaxy itself is a hundred thousand light years wide. And so that means that light that we are seeing from the other side of the galaxy started its journey 90,000 years before humans started farming.