1. meteorito   galaxy   comet   astronaut   meteorite   Hint Half-n-half Clue   2. sol   light years   planet   atmosphere   Sun   Half-n-half Clue   3. astronauta   Earth   astronaut   star   planet   Half-n-half Clue   4. telescopio   outer space   meteor   telescope   planet   Half-n-half Clue   5. gravedad   comet   planet   gravity   solar system   Half-n-half Clue   6. asteroide   meteorite   atmosphere   comet   asteroid   Half-n-half Clue   7. astrónomo   meteor   Earth   galaxy   astronomer   Half-n-half Clue