1. univers   satellite   astronaut   galaxy   universe   Hint Half-n-half Clue   2. astronaute   gravity   astronaut   Earth   asteroid   Half-n-half Clue   3. terre   galaxy   astronomer   meteor   Earth   Half-n-half Clue   4. lune   light years   solar system   moon   star   Half-n-half Clue   5. astéroïde   astronomer   outer space   asteroid   meteor   Half-n-half Clue   6. télescope   telescope   meteorite   light years   asteroid   Half-n-half Clue   7. étoile   planet   star   asteroid   astronomer   Half-n-half Clue