1. gravidade   astronaut   gravity   Sun   atmosphere   Hint Half-n-half Clue   2. satélite   satellite   planet   galaxy   atmosphere   Half-n-half Clue   3. sistema solar   meteorite   light years   solar system   astronaut   Half-n-half Clue   4. atmosfera   outer space   atmosphere   meteor   solar system   Half-n-half Clue   5. astrônomo   atmosphere   astronomer   Earth   galaxy   Half-n-half Clue   6. estrela   outer space   star   asteroid   planet   Half-n-half Clue   7. telescópio   solar system   telescope   light years   satellite   Half-n-half Clue