1. cometa   Earth   star   universe   comet   Hint Half-n-half Clue   2. astrónomo   telescope   astronomer   Sun   solar system   Half-n-half Clue   3. sol   meteor   light years   astronomer   Sun   Half-n-half Clue   4. Tierra   outer space   astronaut   Earth   gravity   Half-n-half Clue   5. meteoro   telescope   planet   gravity   meteor   Half-n-half Clue   6. universo   meteorite   Sun   asteroid   universe   Half-n-half Clue   7. astronauta   astronaut   planet   outer space   atmosphere   Half-n-half Clue