1. Known as the Red Planet, Mars is characterized by its red, dusty landscape. 2. The atmosphere on Mars is very thin, composed mainly of carbon dioxide (95%), nitrogen (2.7%), and argon (1.6%), with traces of oxygen and water. 3. The orbital speed of Mars is 24.2 km per second.
4. Temperatures on Mars vary from a maximum of 0 degrees C (32 degrees F) to minimum -100 degrees C (-148 degrees F). 5. The diameter of the planet Mars is 6,785 km
6. A Mars year is equal to 686.98 Earth Days
7. A day in Mars is equal to 24.6 Earth Hours
8. Mars maximum distance from the Sun = 249 million km (155 million miles) 9. Mars is 35 million miles from Earth
10. Mars is the god of war in Roman mythology (Ares).
11. Mars has two small satellites named Phobos and Deimos.
12. Asaph Hall discovered both of Mars’ moons, Phobos and Deimos, in August 1877. 13. Mariner 4 – first successful flyby mission to Mars. Launched on November 28, 1964 and arrived at Mars on July 14, 1965. 14. Mariner 9 – first successful orbit of Mars. Launched May 30, 1971 and began orbit November 13, 1971. 15. Viking 1 – Successful orbit and landing on surface of Mars. Launched August 20, 1975 and arrived at Mars July 20, 1976. 16. If you weigh 100 lbs, your weight on Mars would be 38 lbs. (multiply your actual weight by 0.38) 17. Mars has two moons; their names are Deimos and Phobos.
18. The Egyptians gave Mars its first recorded name: Har dècher (“The red one”). The Babylonians called it Nergal (“Star of death”). The Greeks and Romans named the planet after their respective gods of war, Ares and Mars. The Hebrews called it Ma’adim, or “One who blushes.” Many ancient people believed the reddish color came from actual blood on the planet. 19. The month of March is named after Mars.
20. No human could survive the low pressure of Mars. If you went to Mars without an appropriate space suit, the oxygen in your blood would literally turn into bubbles, causing immediate death. 21. Mars’...