1. asteroid   Asteroid   Astronom   Erde   Stern   Hint Half-n-half Clue   2. orbit   Mond   Umlaufbahn   Atmosphäre   Meteor   Half-n-half Clue   3. meteorite   Meteorit   Astronaut   Schwerkraft   Komet   Half-n-half Clue   4. astronaut   Astronaut   System Sonnen   Atmosphäre   Komet   Half-n-half Clue   5. solar system   Mond   Meteor   Astronaut   System Sonnen   Half-n-half Clue   6. moon   Umlaufbahn   Komet   Schwerkraft   Mond   Half-n-half Clue   7. satellite   Mond   System Sonnen   Erde   Satellit   Half-n-half Clue