помогите с 1 и 3 заданием пожалуйста

1. oxygen 2. manned 3. exploded 4. lose 5. routine 6. history 7. relief 8. charge 9. dwarf 10. light-years

1. satellite 2. launched 3. cosmonaut 4. moon 5. station 6. spacecraft 7. Earth 8. orbits