1. galaxia   moon   galaxy   astronomer   solar system   Hint Half-n-half Clue   2. luna   comet   Sun   moon   planet   Half-n-half Clue   3. planeta   moon   telescope   planet   star   Half-n-half Clue   4. Tierra   astronaut   astronomer   planet   Earth   Half-n-half Clue   5. órbita   Earth   moon   solar system   orbit   Half-n-half Clue   6. satélite   satellite   star   comet   Sun   Half-n-half Clue   7. sistema solar   solar system   Earth   astronomer   moon   Half-n-half Clue