1. atmosphere   Atmosphäre   Weltraum   Mond   Schwerkraft   Hint Half-n-half Clue   2. meteor   Asteroid   Meteor   helle Jahre   Astronaut   Half-n-half Clue   3. meteorite   Satellit   Sonne   Erde   Meteorit   Half-n-half Clue   4. gravity   Schwerkraft   Meteorit   Asteroid   Sonne   Half-n-half Clue   5. comet   Schwerkraft   Komet   Galaxie   Umlaufbahn   Half-n-half Clue   6. satellite   Erde   Astronom   Satellit   System Sonnen   Half-n-half Clue   7. planet   Meteorit   Galaxie   Planet   Satellit   Half-n-half Clue