1. astronomer   Weltraum   helle Jahre   Astronom   Teleskop   Hint Half-n-half Clue   2. atmosphere   Atmosphäre   Teleskop   Erde   Meteorit   Half-n-half Clue   3. orbit   Astronaut   Weltraum   Galaxie   Umlaufbahn   Half-n-half Clue   4. gravity   Komet   Meteorit   Schwerkraft   Satellit   Half-n-half Clue   5. moon   Mond   Planet   Teleskop   Stern   Half-n-half Clue   6. astronaut   Teleskop   Weltraum   Astronaut   Satellit   Half-n-half Clue   7. outer space   Sonne   Umlaufbahn   Weltraum   Teleskop   Half-n-half Clue