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