These days, technology has been developing immediately, so we have access to a lot of things; however, this evaluation needs a great deal of money for research;in contrast, a group of people believe that it is important that spending money that governments invest for space investigation on the factors that help societies to have better lives in the Earth. I do not subscribe to this idea owing to the fact that knowing about space can show us other planets like Earth; additionally, helping us to have good lives on Earth with fewer issues.