1. System Sonnen   astronaut   solar system   atmosphere   meteor   Hint Half-n-half Clue   2. Meteor   gravity   meteor   Sun   universe   Half-n-half Clue   3. Meteorit   meteorite   atmosphere   gravity   Sun   Half-n-half Clue   4. Mond   light years   Sun   moon   outer space   Half-n-half Clue   5. helle Jahre   orbit   light years   moon   universe   Half-n-half Clue   6. Asteroid   astronaut   asteroid   planet   gravity   Half-n-half Clue   7. Umlaufbahn   Sun   meteorite   Earth   orbit   Half-n-half Clue