1. astronomer   helle Jahre   Stern   Astronom   Sonne   Hint Half-n-half Clue   2. moon   Asteroid   Teleskop   Erde   Mond   Half-n-half Clue   3. atmosphere   Asteroid   Mond   helle Jahre   Atmosphäre   Half-n-half Clue   4. telescope   System Sonnen   Satellit   Atmosphäre   Teleskop   Half-n-half Clue   5. astronaut   Astronaut   Meteorit   Erde   Asteroid   Half-n-half Clue   6. comet   Erde   Komet   Mond   Planet   Half-n-half Clue   7. Earth   Erde   Teleskop   Umlaufbahn   Sonne   Half-n-half Clue