1. Astronaut   gravity   solar system   moon   astronaut   Hint Half-n-half Clue   2. helle Jahre   astronaut   light years   meteorite   Sun   Half-n-half Clue   3. System Sonnen   solar system   galaxy   astronaut   asteroid   Half-n-half Clue   4. Meteorit   meteorite   solar system   Sun   comet   Half-n-half Clue   5. Atmosphäre   solar system   orbit   star   atmosphere   Half-n-half Clue   6. Mond   telescope   astronomer   moon   meteorite   Half-n-half Clue   7. Umlaufbahn   universe   meteorite   outer space   orbit   Half-n-half Clue