1. atmósfera   comet   Earth   atmosphere   asteroid   Hint Half-n-half Clue   2. meteorito   gravity   asteroid   meteorite   astronaut   Half-n-half Clue   3. cometa   astronaut   light years   comet   gravity   Half-n-half Clue   4. Tierra   Earth   comet   asteroid   atmosphere   Half-n-half Clue   5. asteroide   comet   gravity   astronomer   asteroid   Half-n-half Clue   6. galaxia   astronomer   galaxy   meteor   light years   Half-n-half Clue   7. astronauta   light years   atmosphere   astronaut   comet   Half-n-half Clue   FREE PREVIEW: Last 10 Questions not a part of the free preview. Get Premium Membership to view all questions.