1. soleil   solar system   star   Sun   Earth   Hint Half-n-half Clue   2. étoile   comet   universe   planet   star   Half-n-half Clue   3. astronaute   orbit   astronaut   universe   telescope   Half-n-half Clue   4. système solaire   Sun   solar system   atmosphere   gravity   Half-n-half Clue   5. télescope   moon   solar system   outer space   telescope   Half-n-half Clue   6. univers   satellite   universe   meteorite   galaxy   Half-n-half Clue   7. astéroïde   meteorite   astronaut   universe   asteroid   Half-n-half Clue