Mars
is the fourth planet from the sun. The reddish color and reminded the ancients
of blood, and so they named Mars after the god of war. The Greeks
know Mars as Ares. Mars' symbol is a stylized spear and shield, the
symbol for male.
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|
MARS FACTS
|
| Equatorial
Diameter: |
6,787 km
|
| Mass: |
0.1074
x Earth's. |
| Density: |
3.094. |
| Surface
Gravity: |
0.38
x Earth's. |
| Distance
from sun: |
227.9
million km. |
| Year
Length: |
780
days. |
| Rotation
Period: |
24
hours, 37 minutes, 23 seconds. |
| Atmosphere: |
Carbon
Dioxide, nitrogen, oxygen, carbon monoxide, water vapor. |
| Satellties: |
2 |
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