It is a waste of time because we could use that time to complete other projects such as maintaining our Earth clean. According to Tech Crunch in, "Tyson described space travel as “a long-term investment”: “It’s an investment that private enterprise cannot lead.” He recalled the excitement around SpaceX’s delivery of cargo the International Space Station, which sparked discussion about whether private companies would replace government as the main engine behind space travel. Tyson’s response? “They brought cargo to the space station! NASA’s been doing that for 30 years!” (para. 5) We need the time to give to other people instead of wasting time on ourselves. Lastly, we need the time to capture new ideas for the future of mankind. These things are important because we need to spend time on our own Earth rather than just spending all the time on space