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Author Topic: Can Mars be terraformed without having a magnetic field?  (Read 2251 times)

James Nesbitt, via Facebook

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James Nesbitt, via Facebook asked the Naked Scientists:
   
Can Mars be terraformed without having a magnetic field?

What do you think?
« Last Edit: 08/05/2011 19:01:07 by _system »


 

Offline yor_on

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Can Mars be terraformed without having a magnetic field?
« Reply #1 on: 10/05/2011 14:20:11 »
Doubt it severely. Sure if we could change the trajectory of some moon having enough water we might start a geological process, maybe? But no magnetic field????

"Earth abounds with water because its ionosphere is permeated with a magnetic field. The hydrogen ions present in its ionosphere move very fast due to their small mass, but they cannot escape to outer space because their trajectories are deflected by the magnetic field. Venus has a dense atmosphere, but only traces of water vapor (20 ppm) because it has no magnetic field. The Martian atmosphere also loses water to space."
 

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Can Mars be terraformed without having a magnetic field?
« Reply #1 on: 10/05/2011 14:20:11 »

 

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