1. All The Planets

2. Mars
The day on Mars is slightly longer than an Earth day: 24 hours, 39 minutes, and seconds.
A Martian year is equal to Earth years, or 1 year, 320 days, and 18.2 hours.

3. What's it made of? Mars is a terrestrial planet.
Because we don't see any active volcanoes on the surface, we think Mars today is mostly cold inside.

4. Atmosphere 95% carbon dioxide 3% nitrogen 1.6% argon
Very thin, less than 1% of Earth's

5. Surface Why is it red? Iron oxide (rust)‏ Rocks everywhere
Lots of craters of all sizes
The sky is pink - why?

6. Olympus Mons Tallest known mountain and volcano 27 km high
Three times the size of Mt. Everest!

7. Water Like Earth, Mars' North and South poles are covered in ice
There is also ice below the surface, found by Phoenix.

8. Weather
Windy
Large dust storms
Ice Clouds
27 °C to −143 °C

9. Moons
2 moons
Largest is Phobos (22 km)‏
Other is Deimos (12 km)‏

10. Exploration
The first successful fly-by mission to Mars was NASA's Mariner 4, launched in On November 14, 1971 Mariner 9 became the first space probe to orbit another planet when it entered into orbit around Mars.
Then came the 1975 NASA launches of the Viking program, which had 2 robots which landed in Viking 1 remained operational for six years, Viking 2 for three. The Viking landers relayed the first color pictures of Mars.

11. Rovers 2 twin rovers, “Spirit” and “Opportunity” Landed in 2004
Still working today!

12. Phoenix
Landed May 2008
Found water ice!

13. History
Named for Roman god of war.
Chinese: Fire Star