1. anni chiari   star   telescope   solar system   light years   Hint Half-n-half Clue   2. meteorite   meteorite   star   gravity   Earth   Half-n-half Clue   3. cometa   light years   comet   astronaut   galaxy   Half-n-half Clue   4. pianeta   outer space   meteor   planet   comet   Half-n-half Clue   5. sistema solare   astronaut   telescope   astronomer   solar system   Half-n-half Clue   6. luna   telescope   comet   moon   Sun   Half-n-half Clue   7. sole   satellite   asteroid   outer space   Sun   Half-n-half Clue