(I) Nearly all astronomers believe that intelligent life exists on some of the planets orbiting the many billion stars, or suns, in space. (II) This life some or all of which could be different in form from us could range from less developed beings to those whose civilisations are far more advanced than ours. (III) It was thought by some that those from more advanced civilisations may even have achieved immortality. (IV) We can never imagine to reach these places with our present vehicles, or technology. (V) These beings could help us in many ways, perhaps by teaching us about immortality or about how to avoid our self destruction.