1. You have been invited to travel in a spaceship and land on the different planets. You do not know if The Earth is the only planet that has an atmosphere with oxygen for living beings to breathe. You must investigate it.
2. Discover if it is possible to land on all the planets.
3. Will you find other celestial bodies during your trip? If your answer is “yes”, make a list of them.
4. Do you think that you will meet somebody in Mars?
Is life possible in any planet of the Solar System apart from The Earth?