Coming from the earth

I dont think the human race will survive the next thousand years, unless we spread into space. There are too many accidents that can befall life on a single planet. But Im an optimist. We will reach out to the stars. STEPHEN HAWKING Earth is doomed, the only way for humankind to survive is to conquer new suitable planets. Your mission is to drop groups of the few remaining humans on P.S.M (Potentially Suitable for Mankind) planets. Travel across space and use gravitational fields from other plan...