1. The total mass of planet Mars is, 1/10 Earth mass 1/5 Earth mass 2/3 Earth mass
2. How long does planet Mars take to complete one orbit? 422 Earth days 686 Earth days 756 Earth days
3. What is the escape velocity on the surface of Mars? 5.03 km/s 8.52 km/s 12.26 km/s
4. How many natural satellites orbit planet Mars? 3 2 None
5. The sidereal (relative to stars) rotational period of planet Mars is, 24.6 hours 65.2 hours 16 Earth days
6. What is the most abundant gas found on Martian atmosphere? Nitrogen Carbon dioxide Hydrogen
7. An object that weighs 100kg on Earth will weigh, 38 kg on Mars 69 kg on Mars 112 kg on Mars
8. The Martian axis of rotation is tilted to its orbit by, 8 degrees 19 degrees 25 degrees
9. Olympus mons of Mars is the highest mountain in the solar system. How tall is it? 12 km 19 km 27 km
10. How often do you get the minimum-energy launch windows to send spacecrafts to Mars? Every year Every 2 years Every 6 years
