1. galaxy   Galaxie   System Sonnen   helle Jahre   Asteroid   Hint Half-n-half Clue   2. solar system   System Sonnen   Meteor   Stern   Planet   Half-n-half Clue   3. meteorite   Sonne   Meteorit   Galaxie   Astronom   Half-n-half Clue   4. astronomer   Weltraum   Astronom   Mond   System Sonnen   Half-n-half Clue   5. light years   Astronom   Atmosphäre   Astronaut   helle Jahre   Half-n-half Clue   6. moon   System Sonnen   Mond   Astronom   Atmosphäre   Half-n-half Clue   7. orbit   Umlaufbahn   Komet   helle Jahre   Mond   Half-n-half Clue