
Quiz1. What is the percentage of oxygen present in the Martian atmosphere? 2. What is the most abundant gas present on Mars? 3. Why is it difficult to breathe on Mars? 4. Why is Mars' surface reddish in colour? 5. What is the name of one of the moons of Mars? 6. How many satellites orbit Mars? 7. What did the Egyptians call Mars? 8. Who first observed Mars through a telescope? 9. What are the moons of Mars thought to be? 10. Why is Mars' surface more stable than Earth's? 11. To whom is Mars a son of? 12. Which city did Mars indirectly found? 13. Mars is a god of: 14. How much is allocated for space science in Nasa's 2004 budget? 15. What is one of the reasons why Mars is difficult to colonize? |