87. Should We Spend Money Now Researching Other Planets?
In the future it may be necessary for us to live on another planet. For this reason, some people believe that we should spend money now researching planets that could be a possible home, such as Mars. To what extent do you agree or disagree? settle on invest money in explore other planets habitat another planet: another world an alien world another body in the solar system a second Earth planetary exploration become extinct cease to exist urbanization face starvation to establish a colony on another planet to colonize an alien world the colonization of another planet detect life-supporting resources oxygen solid evidence liquid water livable
