1. planeta   Sun   planet   galaxy   universe   Hint Half-n-half Clue   2. galáxia   meteorite   gravity   moon   galaxy   Half-n-half Clue   3. Terra   meteor   astronomer   moon   Earth   Half-n-half Clue   4. espaço sideral   outer space   asteroid   meteorite   light years   Half-n-half Clue   5. órbita   atmosphere   orbit   asteroid   light years   Half-n-half Clue   6. atmosfera   telescope   atmosphere   outer space   Sun   Half-n-half Clue   7. astrônomo   Earth   outer space   astronomer   meteor   Half-n-half Clue