Space travel is an act of discovery. It has both advantages and disadvantages. Regarding the benefits of exploring the universe, it will expand the narrow understanding that we only know about the earth. Add many new things about the earth that can be shared with everyone. About the harm is that traveling to space may run out of food, health will be weakened because of less activity, because there is no weight. To overcome those risks should work a lot. Space travel is a very difficult thing to do. So we should be healthy and have a little intelligence. Space travel is a very interesting thing.
