She likes to go to appealing places she has never been. She is keen on making travelling plans for others. Her family often went travelling when she was young. She is fascinated about travelling into the outer space. 2. The return trip is too expensive. There is no technology to get people back. People don’t want to return. The return trip is too risky. 3. Few people would be interested in it. It’s a good chance for amateur astronomers. Some people would strive for it. She has always been waiting for it. 4. intelligence health skills calmness 5. The kind of people suitable for the trip. Interests and hobbies of the speakers. Recruitment of people for the trip. Preparation for the trip to Mars.