1) I would like to go to space, I would like to see the planets and our galaxy.
2) I think it's very interesting and exciting
3) I think this is important. For example, if astronomers see a planet flying in advance, they will predict what to do next.
4) Not. The smallest planet is Mercury.
5) Not. The closest planet to the sun is Mercury.
6) Not. The farthest planet from the sun is Neptune.