2. Planets Symbol

3. Name From Greek God Ares, the god of war Also Called the “red planet,” which derives from its color Mars is red because of the iron oxide in its surface.

4. Discovery Mars has been discovered since Ancient times

5. Distances 4 th planet from the sun Distance from the sun: 1.524 AU Distance from Earth: 1.497 AU

6. Planet Measurements Mass: 6.41693x10 23 Volume: 163,115,609,799 km 3 Density: 3.943 g/cm 3 Gravity: 3.71 m/s My planet would sink in water, Mars’s density is greater than water’s density

7. Orbit and Rotation It takes 686.98 days for Mars to orbit the sun It takes 24 hours and 37 minutes for mars to rotate on its axis

8. Atmosphere Atmosphere is very thin Made up of: 95% Carbon Dioxide 3% Nitrogen 1.6% Argon There is no oxygen in Mars’ atmosphere

9. Temperature Temperature range: 150-310 K (-125˚F to 23˚F) Mars is much colder than Earth. The temperatures on Mars are also much colder than temperatures in Florida.

10. Composition/Appearance Mars is very rocky Internal Composition: Core, Mantel, Crust Mars is small, much smaller than Earth. It is red and sometimes has black splotches on it.

11. Weather Different types of weather on Mars include: Severe Coldness Violent Storms Dust Storms Strong Wind Climate Changes Mars has 4 distinct seasons like Earth Mars does not have any rings

12. Moons- Phobos Mars has 2 moons, Phobos and Deimos Phobos is the bigger moon Phobos has an 8 hour orbital period Named after the Greek god Phobos Discovered on 7/12/1877

13. Moons- Deimos Deimos is smaller than Phobos Deimos has a 30 hour orbital period Further away from Mars than Phobos Discovered on 7/12/1877

14. Water There is ice and polar ice caps on Mars It is too cold for liquid water to exist on Mars Scientists believe that there was once liquid water on Mars

15. What would happen if a person traveled to Mars? Immediately the person would die due to the extremely low pressure on Mars. A person could also freeze due to Mars’s low temperatures

16. Something Special? Mars has the largest and most violent dust storms in the entire solar system. These storms often have winds topping 125 mph. They can last for weeks and can cover the entire planet. They usually occur when Mars is closest to the sun.

17. Bibliography "Mars." L Facts, Pictures and Information. N.p., n.d. Web. 22 Dec. 2013. ":: NASA Quest Aerospace ::." :: NASA Quest Aerospace ::. N.p., n.d. Web. 22 Dec. 2013. "Our Solar System." The Solar System. N.p., n.d. Web. 22 Dec. 2013. "Solar System Exploration: Home Page." Solar System Exploration: Home Page. N.p., n.d. Web. 21 Dec. 2013. "Welcome to the Planets." Welcome to the Planets. N.p., n.d. Web. 21 Dec. 2013.