1. lune   meteorite   moon   gravity   light years   Hint Half-n-half Clue   2. orbite   telescope   moon   universe   orbit   Half-n-half Clue   3. astronaute   astronaut   orbit   planet   Sun   Half-n-half Clue   4. météorite   meteorite   gravity   Sun   universe   Half-n-half Clue   5. astronome   astronomer   comet   outer space   meteor   Half-n-half Clue   6. galaxie   meteorite   galaxy   star   outer space   Half-n-half Clue   7. espace intersidéral   atmosphere   outer space   asteroid   astronaut   Half-n-half Clue