1. astronauta   universe   gravity   astronaut   meteorite   Hint Half-n-half Clue   2. asteróide   outer space   asteroid   satellite   light years   Half-n-half Clue   3. Terra   Earth   planet   telescope   astronaut   Half-n-half Clue   4. satélite   astronomer   satellite   light years   comet   Half-n-half Clue   5. meteorito   planet   orbit   meteorite   Earth   Half-n-half Clue   6. gravidade   astronaut   comet   star   gravity   Half-n-half Clue   7. galáxia   galaxy   moon   star   planet   Half-n-half Clue