1. Schwerkraft   outer space   astronaut   atmosphere   gravity   Hint Half-n-half Clue   2. Weltraum   planet   outer space   gravity   universe   Half-n-half Clue   3. Sonne   orbit   Sun   moon   universe   Half-n-half Clue   4. Meteorit   Sun   light years   meteorite   planet   Half-n-half Clue   5. Satellit   galaxy   astronaut   satellite   comet   Half-n-half Clue   6. Planet   moon   orbit   planet   galaxy   Half-n-half Clue   7. Meteor   gravity   satellite   astronaut   meteor   Half-n-half Clue