- * If the human race doesn't start exploring the rest of the galaxy (never mind living there) until the time of Adelaide's granddaughter then how in the world could humanity have built the space Titanic and had it almost crash in 2008? I don't think we hear anything about it being a time-travelling ship. Did humanity happen to coincidentally evolve on two different planets far away from each other and one of them discovered the rest of the universe before the second one? * Humans didn't build any such thing. It was built by a race of Human Aliens, and hardly the only ones; most are from the classic series, granted, but the Time Lords blend into human society just fine, noting that humans look Time Lord rather than the other way around. I think it's stated (in the Expanded Universe)