1. gravedad   Sun   asteroid   gravity   star   Hint Half-n-half Clue   2. planeta   Earth   planet   moon   satellite   Half-n-half Clue   3. asteroide   asteroid   astronaut   solar system   meteorite   Half-n-half Clue   4. órbita   Earth   universe   meteor   orbit   Half-n-half Clue   5. cometa   galaxy   orbit   astronaut   comet   Half-n-half Clue   6. espacio exterior   outer space   galaxy   asteroid   universe   Half-n-half Clue   7. años luz   light years   satellite   astronaut   universe   Half-n-half Clue