(urth) Green is Urth Redux

[Jeff Wilson]

On 1/11/2011 1:17 PM, Dan'l Danehy-Oakes wrote:
> Jeff Wilson wrote:
>>   Lune could have trees under
>>> domes as easily as the Botanic Gardens can have trees from
>>> other worlds and times under domes.
>
> and Marc Aramini replied:
>>   Then the domes would have to be green, no?  Or invisible so
>> that the trees are visible from Urth?  It being green implies
>> some sort of atmosphere to me.
>
> They would have to be very very large domes; Severian speaks of the
> "forests" of Lune. I believe we are supposed to take it that the Moon
> has been terraformed, which would probably involve increasing its mass
> so that it could hold an atmosphere -- which in turn would require it
> to be moved farther from the Earth, to mitigate the huge tides that a
> more-massive satellite would otherwise produce.

Would it be easier to move the moon and triple its mass than it would be 
to cover to maybe 2/3 of its facing surface with airtight greenhouses?


-- 
Jeff Wilson - jwilson at io.com
Computational Intelligence Laboratory - Texas A&M Texarkana
< http://www.tamut.edu/CIL >