Thread: Number of habitable worlds within170 light years?
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Old 08-12-2022, 01:06 AM   #10
Agemegos
 
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Default Re: Number of habitable worlds within170 light years?
Quote:
Originally Posted by Anthony View Post
(I would note that Earth has not been human-habitable for most of its lifespan…)
What, because of the lack of oxygen and toxic concentration of CO₂ in the atmosphere?

Little thing like that!
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