1. astronauta   telescope   gravity   astronaut   solar system   Hint Half-n-half Clue   2. terra   gravity   moon   Earth   astronaut   Half-n-half Clue   3. meteorite   light years   outer space   meteorite   gravity   Half-n-half Clue   4. orbita   orbit   universe   satellite   asteroid   Half-n-half Clue   5. cometa   comet   asteroid   telescope   galaxy   Half-n-half Clue   6. sistema solare   comet   Earth   solar system   astronomer   Half-n-half Clue   7. stella   universe   comet   outer space   star   Half-n-half Clue