1. telescópio   orbit   atmosphere   moon   telescope   Hint Half-n-half Clue   2. universo   asteroid   universe   comet   atmosphere   Half-n-half Clue   3. planeta   planet   orbit   galaxy   astronaut   Half-n-half Clue   4. anos luz   meteorite   light years   moon   asteroid   Half-n-half Clue   5. gravidade   asteroid   gravity   solar system   meteor   Half-n-half Clue   6. meteoro   telescope   gravity   meteor   satellite   Half-n-half Clue   7. astronauta   gravity   comet   astronaut   Earth   Half-n-half Clue