1. lua   telescope   moon   outer space   Sun   Hint Half-n-half Clue   2. atmosfera   atmosphere   universe   astronomer   satellite   Half-n-half Clue   3. órbita   orbit   outer space   atmosphere   Sun   Half-n-half Clue   4. Terra   gravity   Sun   atmosphere   Earth   Half-n-half Clue   5. sol   astronaut   Sun   satellite   telescope   Half-n-half Clue   6. espaço sideral   meteorite   galaxy   telescope   outer space   Half-n-half Clue   7. planeta   gravity   astronomer   meteorite   planet   Half-n-half Clue