1. helle Jahre   meteorite   solar system   light years   telescope   Hint Half-n-half Clue   2. Satellit   comet   satellite   astronomer   telescope   Half-n-half Clue   3. Asteroid   solar system   asteroid   astronomer   Sun   Half-n-half Clue   4. Schwerkraft   atmosphere   satellite   gravity   light years   Half-n-half Clue   5. Umlaufbahn   galaxy   asteroid   orbit   astronaut   Half-n-half Clue   6. Planet   star   planet   astronomer   outer space   Half-n-half Clue   7. Astronom   asteroid   astronomer   star   comet   Half-n-half Clue