PHY 580 - ASTROBIOLOGY FOR TEACHERS


ADDITIONAL QUESTIONS FROM THE READING


Chapter #10 Implanting life on Mars.

 

1. What is the most likely way that the annual average surface temperature of Mars would be increased to just above freezing if we were to terraform Mars? (page 162)

2. Approximately how great of an annual average temperature increase is needed on Mars if it is to support plant life. (page 161 - 162)

3. How great of an atmospheric pressure of CO2 would be required to give Mars a 50 &endash; 60 K temperature increase? (page 162)

4. What are the minimum atmospheric requirements of CO2, H2O and N2 that are needed for Earthlike plants? (page 162)

5. What is the maximum atmospheric pressure of CO2 for humans, and what is the minimum atmospheric pressure for O2? (page 162)

6. Are the atmospheric pressure requirements of CO2 and O2 required possible to achieve for both for plants and humans on Mars?

7. What are two alternative greenhouse gasses that are proposed by Jakosky that could be used in place of CO2? (page 163 &endash; 164)

8. What are the three Earth-bound environmental approaches that McKay identifies that could be used for guidance with concern to the ethical issues of terraforming Mars? (page 165)

9. Identify the five arguments (from the list of 11) in favor of terraforming Mars that you most strongly support or feel most strongly about. (page 166)

10. Identify the five arguments (from the list of 11) against terraforming Mars that you most strongly support or feel most strongly about. (page 166 - 167)

11. What was the general guideline or requirement established in the 1967 international treaty to prevent the forward contamination of Mars? (page 167 &endash; 168)

12. How wide is the martian geological structure that is often referred to as the "face on Mars?" (page 169)


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