(urth) Green is Urth Redux

[Son of Witz]

On Jan 12, 2011, at 8:55 AM, Jeff Wilson <jwilson at io.com> wrote:

> On 1/12/2011 10:30 AM, DAVID STOCKHOFF wrote:
>> As I thought. Therefore, the entire Lune is probably 70% green. No point, just saying.
> 
> You still can't see the *far* side from the earth, due to tide locking.  Geometrically, this means you can get 70% visible area greenness with as little as 60% coverage of the near side's surface area, or 30% of the total surface area.


While sometimes I think it goes too far, I'm blown away by all the math and science some of you bring to this. Great stuff.