Gravitational force - 38 % of earth .
Sun light - 44 % of earth .
Solar year - 686 days versus 365 days of earth .
One rotation - 24 hrs 40 min versus 24 hrs of earth
Earth Gas in atmosphere Mars
0.0003 Carbon dioxide 0.95
0.781 Nitrogen 0.027
0.210 Oxygen 0.0013
0.004 Water 0.0021
0.0093 Organ 0.016
Note - all figure in percentage .
. Oxygen makes the circumstances suitable for life .
. One assessment says that if the ice present at mars is completely melted , then it will create an ocean at mars of 500 meters depth .
How is mars
Mars i.e. red planet . During summer the temperature remains -27 degree Celsius and in winter it reaches - 133 degree Celsius . Dust storm , extreme cold are the characteristics of the climate . Despite all these the geographical condition of the mars is very good .
Competition to reach mars
Russia - Plans to send six astronauts to mars by the year 2015 . Estimated expenditure is 200 billion dolors .
USA - Plan to send astronauts by the year 2031 . Estimated expenditure - 450 lakh dolors .
Europian union - will decide in the year 2015 that whether man should land on mars or other wise . By the year 2025 , technology suitable for making man to reach mars would be available .
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