If we discover life on another planet, will we try to communicate with it?, If a large asteroid comes towards Earth, will we be able to deflect it?, If we create a permanent colony on Mars, will humans evolve differently? , If space tourism becomes real, will it be affordable for everybody?, If we develop faster-than-light travel, will space wars exist?, If we run out of resources on Earth, what will we do?, If we find a way to protect astronauts from cosmic radiation, will long-duration space travel be safe?.

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