Re: All the water in the world

On Jun 29, 11:14 pm, "n...@xxxxxxx" <Alien8...@xxxxxxxxx> wrote:
On Jun 28, 5:22 pm, Erik Max Francis <m...@xxxxxxxxxxx> wrote:

Interesting visualization of the total amount of oceans and atmosphere
on Earth, relative to the size of the global itself:

http://infosthetics.com/archives/2008/06/all_the_water_in_the_world.html

  Wow, finally a clear representation of how _little_ water there
actually is on Earth. Kinda gives a better perspective to the usual
"Earth is three-fourths water" statements, no?

And at the same time a useful reminder of the _scale_ of natural
phenomena compared to Human technology right now. I'm thinking about
all the casual terraforming discussions that assume moving huge
amounts of volatiles around without much thought as to the absolute
masses and volumes involved. To move Earth-scale amounts of volatiles
we're talking about shifting objects the size of medium-scale nations
around, involving major delta-vee. It isn't a 21st century project.
.

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