mission to mars - ces.uoguelph.ca · mission to mars controlled environment systems research...
TRANSCRIPT
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Mission to Mars
Controlled Environment Systems Research Facility School of Environmental Sciences University of Guelph
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Hubble Deep Field
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Who wants to go to Mars?
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Who likes camping?
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Astronaut Training
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Before you pitch your tent you might want to know more about the place you are going...
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Earth Mars
Day length 24:00 24:39:22
Orbit 365 days 687 days / 669 sols
Speed 107 278.87 km/h 57 161.57 km/h
Temperature Average High Low
14 58 -88
-55 27
-133
Mass 5.98 x 1024 kg 6.42 x 1023 kg
Gravity 9.8 N/kg 3.7 N/kg
Atmospheric composition Oxygen Nitrogen Carbon dioxide
21 % 77 %
0.38 %
0.13 % 2.7 % 95 %
Pressure 101.3 kPa 0.7 kPa
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Pressure
or lack thereof...
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What will happen?
Pressure... rock
Before After
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What will happen?
Pressure... balloon
Before After
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What will happen?
Pressure... bubble wrap
Before After
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What will happen?
Pressure... marshmallow
Before After
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What will happen?
Pressure... apple
Before After
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What will happen?
Pressure... marshmallow
Before After
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What will happen?
Pressure... shaving cream
Before After
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What would happen to a plant under low pressure?
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What would happen to a person in the vacuum of space?
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Biosphere 2 1991- 1993 (present)
1/3 of the gravity very cold temperatures very little air pressure
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Will this work?
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What are you going to do for food?
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Current • Resupply from Earth • Physical-chemical systems
Food Oxygen Carbon dioxide removal Water
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$50,000 per kilogram
Oxygen = 0.75-1.0 kg/day*
Water = 3.0 kg/day* (recycle)
Food = 0.5-0.6 kg/day*
Crew = 6
Food/Oxygen = 9.6 kg/day
Trip duration = ~2 years
Total Food/Oxygen = 7008 kg
Average elephant = 2300 kg
Cost just for food = $ 350 400 000**
* statistics based on a 70 kg (154 lbs) person
** does not include cost of food
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Is there a better way to get food, oxygen and water while living on Mars ?
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• Food Production
• Carbon Dioxide Absorption
• Oxygen Generation
• Water Recycling
• Waste Degradation
Advanced Life Support
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oxygen
pure water
food
carbon dioxide
waste water
organic waste
Advanced Life Support
Bioregeneration Bioregeneration Bioregeneration
Photosynthesis
Transpiration
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Martian Agriculture Recall that Mars has very low temperatures and little atmospheric pressure. How would you grow plants?
In a greenhouse.
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Woohoo! A greenhouse on Mars!
• Can use ambient light
• Warmer environment
• UV protection
• Weather Protection
–Wind
–Dust storms
• Increased pressure
• Increased humidity
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Radishes
Ambient – 100 kPa 66 kPa
33 kPa 10 kPa
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Science is fun
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Mars Analog – Devon Island
Webcam images
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Mars Analog - Utah
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Spirulina (Arthrospira) Freeze dried strawberries
Without a Greenhouse?
What do you want to eat on Mars?
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Who wants to go to Mars?