1. años luz   planet   light years   meteorite   telescope   Hint Half-n-half Clue   2. estrella   comet   star   astronomer   universe   Half-n-half Clue   3. astronauta   solar system   astronomer   astronaut   outer space   Half-n-half Clue   4. planeta   universe   planet   astronomer   galaxy   Half-n-half Clue   5. meteorito   orbit   star   comet   meteorite   Half-n-half Clue   6. universo   universe   gravity   moon   comet   Half-n-half Clue   7. órbita   orbit   meteor   Earth   Sun   Half-n-half Clue