Steve Jackson Games Forums - View Single Post - Number of habitable worlds within170 light years?

Anthony · 08-11-2022, 06:15 PM

A lot depends on your definition of habitable, and on some assumptions (I would note that Earth has not been human-habitable for most of its lifespan, and we have far less information about alien planets)

08-11-2022, 06:15 PM	#5
Anthony Join Date: Feb 2005 Location: Berkeley, CA	Re: Number of habitable worlds within170 light years? A lot depends on your definition of habitable, and on some assumptions (I would note that Earth has not been human-habitable for most of its lifespan, and we have far less information about alien planets) __________________ My GURPS site and Blog.