Give me a list of children's story ideas. Give me a title and a brief (1-2 sentence) summary of each story. They should be aimed at kids aged between 10-13 and involve space in some capacity.
1. Planet 2099: A little girl stows away on a spaceship that leaves on a mission to find another habitable planet.
2. Children of the Galaxy: A group of middle schoolers finds a portal across space in the janitor's closet at their school and use it to travel to alien planets all around the galaxy.
3. The Liberation of Arcadia: A group of evil scientists from Earth take control of a planet called Arcadia and it's up to two children to save the people and liberate them.
4. To Hook a Star: A story about a little boy who lives on the International Space Station with his parents and helps them study the stars.
5. Polar Dust: A group of kids from a small, rural town find a crashed alien spaceship that's fully functional and decide to explore space together.
6. Moons of Andromeda: A kid goes to sleep the night after visiting a planetarium and dreams that she's an astronaut exploring the Andromeda galaxy and creating new worlds on all the inhabitable planets.
7. Snows of Pluto: On a space mission gone wrong, a group of astronauts finds themselves stranded on Pluto and have to create a new world out of nothing but the ice and snow that the planet has to offer.