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Old 08-05-2019, 01:09 PM   #25
Astromancer
 
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Join Date: Jul 2007
Location: West Virginia
Default Re: Aerogel martian habitats.

Quote:
Originally Posted by Johnny1A.2 View Post
Yeah, but to be fair, it's entirely plausible that that process could be speeded up substantially by artificial methods. Not by us today, of course, but it could probably be done.

Of course 'speeded up' might easily mean converting 2 billion into 2 million or 20,000. Still a long time on a human scale.

Also, Earth 4 billion years ago was already a better terraforming candidate than Venus or Mars today. A lot of how hard terraforming is depends on how close your target world is to what you want. An interstellar society would have far more potential 'targets' to choose from.
The terraformation of a planet like Mars would be a giveaway that the solar system had been a species original home, or some has scary high tech.
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