1. galáxia   satellite   galaxy   gravity   telescope   Hint Half-n-half Clue   2. meteoro   astronomer   outer space   light years   meteor   Half-n-half Clue   3. planeta   meteor   Sun   galaxy   planet   Half-n-half Clue   4. gravidade   solar system   atmosphere   gravity   satellite   Half-n-half Clue   5. meteorito   orbit   moon   Sun   meteorite   Half-n-half Clue   6. universo   astronomer   outer space   satellite   universe   Half-n-half Clue   7. astronauta   meteorite   planet   star   astronaut   Half-n-half Clue