Throughout the research all these years, humanity has rightly regarded Mars as the extraterrestrial planet, which is most likely to have life. Of the Sun¡¯s nine planets, Earth and Mars are the only two that have been washed by water and possess atmospheres that are supportive to exist life. Mars has a rotation period, which is almost same to Earth¡¯s: the Martian day equals 24.5 hours. And Mars also has variations on seasons and amounts of sunshine that are similar to Earth.
However, Mars has thinner atmosphere than Earth, and also it cannot have liquid water on the surface. The planet¡¯s size and distances from the Sun explain most of the differences between Earth and Mars. Mars only has 54% of Earth¡¯s diameter and just 11% of Earth¡¯s mass. As a result of low mass, Mars has only 40% of Earth¡¯s gravitational force on objects at its surface. Mars is 130-160 million miles from the sun, while the Earth remains between 91-94 miles. The combination of its low mass and......

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Title: Mars
Approximate Word Count: 775
Approximate Pages: 4 (250 words per double-spaced page)

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1. Mars
   

   mars. When you see mars, it looks like a red ball, but its many feature almost
   same as earth gives it a name " the most earth like planet". ... ...

2. Mars
   

   Mars. Throughout the research all these years, humanity has rightly regarded Mars
   as the extraterrestrial planet, which is most likely to have life. ... ...

3. Mars:
   

   Mars: Mars: Is There Life Out There? Since 1976, when the Viking Landers took off
   toward the red planet, people have been wondering if there is life on Mars. ... ...

4. Mars:
   

   Mars: Mars: Is There Life Out There? Since 1976, when the Viking Landers took off
   toward the red planet, people have been wondering if there is life on Mars. ... ...

5. Mars
   

   Mars. Mars (pronounced /ˈm¨»rz/) is the fourth planet from the Sun in the Solar
   System. The planet is named after Mars, the Roman god of war. ... ...