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4th planet in solar system (between asteroid belt and Jupiter) It is 141,633,260 Miles from the Sun. It is an not a irregular orbit. Click Here. http://www.windows.ucar.edu/tour/link=/mars/mars_orbit.html
It is 687 days to complete a year. A day is about 24 hours and 37 minutes long. -30 degrees to -200 degrees F is the temp. range. Compared to Earths 45 to 95. Mars is 144,798,500 km2 ( Surface area) It is the 2nd smallest planet. Its mass is 6,419,100,000,000,000,000,000,000 Kilograms. .
A 100 Lb person would weigh 38 Lbs...... a 62 Lb defense. It is 38% of the Earths gravity. The atmospheric pressure ranges from one-half percent to one percent that of Earth.. The atmosphere is Viking atmospheric measurements Composition 95.32% 2.7% 1.6% 0.13% 0.07% 0.03% trace- carbon dioxide, nitrogen ,argon, oxygen, carbon monoxide, water vapor, neon, krypton, xenon, ozone, methane.
Mars is made up of rock, ice, san. and various chemicals thata are also found in the atmosphere and some not in the atmosphere.. Mars, to us, looks red and and rocky. The internal composition of mars is a frozen core. The two moons are Phobos and Deimos.. A human would would freeze from the coldness and would die from the toxic atmosphere.
Humans have always been able to see Mars because its visible to the naked eye. Click here for special facts. http://science.nationalgeographic.com/science/space/solar-system/mars-article.html
MARS
