1. universo   atmosphere   universe   light years   satellite   Hint Half-n-half Clue   2. Tierra   orbit   Sun   gravity   Earth   Half-n-half Clue   3. sol   Sun   satellite   gravity   orbit   Half-n-half Clue   4. planeta   planet   meteorite   Earth   meteor   Half-n-half Clue   5. estrella   meteorite   galaxy   universe   star   Half-n-half Clue   6. satélite   light years   meteor   Earth   satellite   Half-n-half Clue   7. galaxia   meteorite   gravity   galaxy   light years   Half-n-half Clue