1. Galaxie   galaxy   astronaut   asteroid   atmosphere   Hint Half-n-half Clue   2. System Sonnen   solar system   universe   orbit   telescope   Half-n-half Clue   3. Mond   atmosphere   moon   Earth   astronomer   Half-n-half Clue   4. Schwerkraft   gravity   meteorite   universe   solar system   Half-n-half Clue   5. Meteorit   Sun   meteorite   planet   star   Half-n-half Clue   6. Umlaufbahn   orbit   universe   outer space   meteor   Half-n-half Clue   7. Sonne   galaxy   comet   telescope   Sun   Half-n-half Clue