1. luna   moon   astronaut   Sun   meteor   Hint Half-n-half Clue   2. meteoro   comet   gravity   star   meteor   Half-n-half Clue   3. planeta   moon   planet   galaxy   meteor   Half-n-half Clue   4. estrella   atmosphere   comet   galaxy   star   Half-n-half Clue   5. telescopio   star   comet   telescope   light years   Half-n-half Clue   6. astrónomo   orbit   meteor   Sun   astronomer   Half-n-half Clue   7. atmósfera   atmosphere   galaxy   orbit   star   Half-n-half Clue