HAS THE FACT THAT HUMANS ARE ALONE ON THE WORLD (OR NOT) TO INFLUENCE ETHICS?

摘要

The space age has opened a new di-mension of living space. Its acceptance starts now two generations after the introduction of space flights, to become common knowledge of the next generation. It is now time to relate the expectancy which we have to meet aliens to our moral view of living together. But while this happens the question remains, is it all invain?