вообще задание на твоё мнение, но я напишу свое для примера
1. I think yes, because people develop their life every day, there are frequently opened events, inventions and etc.
2. Sure, because they will open some new physical laws, realize smth, understand how to do smth that they don't understand how to do now
3. I'm sure that people will become meaner due to they will become angry or upset because of smth more often than we do now, it will be in the future life which is different from our life nowadays.
4. I think it's possible, because people like to explore the space
5. Maybe some day in many thousands of years it will be normal, but I think it's not too close to the present
6. I wouldn't like to travel in the space, because it's either interesting and satisfying or scary and dangerous