1. anni chiari   orbit   atmosphere   galaxy   light years   Hint Half-n-half Clue   2. meteora   outer space   meteor   telescope   universe   Half-n-half Clue   3. astronauta   gravity   astronomer   solar system   astronaut   Half-n-half Clue   4. universo   meteorite   solar system   comet   universe   Half-n-half Clue   5. asteroid   meteor   universe   Sun   asteroid   Half-n-half Clue   6. satellite   solar system   satellite   comet   orbit   Half-n-half Clue   7. stella   meteor   comet   outer space   star   Half-n-half Clue