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Mission to Mars

We have a goal : to go to Mars in 2025, we are going to talk about the vehicule. Mission to Mars. I. The Spacecraft. Our spacecraft will be a rocket composed of 3 essential elements . The Orbiter.

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Mission to Mars

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  1. We have a goal : to go to Mars in 2025, we are going to talk about the vehicule. Mission to Mars

  2. I. The Spacecraft Our spacecraft will be a rocket composed of 3 essential elements

  3. The Orbiter • The orbiter is the most important element, it’s the only component that goes into orbit. It carries the freight and the crew.

  4. The External Tank • The second element is the external tank : it protects the orbiter until it reaches Space. • Its role is essential because if the orbiter is damaged, the crew can die.

  5. The Rocket Boosters • The rocket boosters are as essential as the orbiter and the external tank. • They are used to reach Space because the whole spacecraft is heavy then it needs a powerful boost to leave the Earth.

  6. Dimensions • length : 37,24 m • Span : 23,79m • Empty weight : 68 586,6 Kg • Total weight when launched : 109 000 Kg • Total weight when arrived : 104 000 Kg • Presurized cabine : 71 m3 • Average speed : 7 800 m/s • Welcome up to 7 passengers (minimum 2) • + Thermal shield composed of insulating tiles

  7. II. Energy Comsumption • I will talk about energy comsumption of the rocket going to Mars. • A- The take-off

  8. - The rocket has a motor of ergol liquid type.

  9. - The rockets don’t use energy in Space, they only use energy to take off. • - They use 100.000 liters of liquid oxygen and 60.000 liters of kerosene per minute for the take-off. • - It takes five minutes to get out of the atmosphere. • B- The return • We intend to go to Mars, but what about the way back ?

  10. To go back to the Earth there are a few hypotheses : • - The MAAC : It is a system compressing carbon dioxide, we can use for the take-off. • - The OGS : It is a system producing oxygen, we can use with the carbon dioxide. • - The MATE : It is a system of solar panels producing electricity. • - The DART : The dust is studied to avoid accumulation on solar panels. • - The MTERC : A radiator is being tested to cool the reactor.

  11. C- The production of electricity in the rocket - To produce electricity in the rocket, microbial cells are used. • These cells are based on the principle of combustible cells : the cathode is supplied with oxygen and the anode is set in a chamber containing the bacteria. • The system transforms all micro-organisms into electricity.

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