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Environment & Energy

Speck Tater

(10,618 posts)

8. People don't seem to realize...

Reply to stuntcat (Reply #6)

Wed Dec 19, 2012, 08:07 PM

Dec 2012

that you can damn near stand on a step ladder and reach your fingers into the vacuum of space.

Well, maybe not. But the skin of air is frighteningly thin. The troposhpere is 7km thick at the poles (a bit thicker at the equator), but that's only 4.4 miles!

That's twice the length of Central Park!

That's the length of two runways at LAX airport!

That's shorter than the Bay Bridge between Oakland and San Fransisco!

That's 1/5th the length of the Sunshine Skyway Bridge, St. Petersburg, Florida!

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Highlight:

Illustration of the volume of all the Earth's water [View all] stuntcat Dec 2012 OP

What a great graphic! JimDandy Dec 2012 #1

Shows how precious water is... TheProgressive Dec 2012 #2

+1 limpyhobbler Dec 2012 #5

That is truly a keeper tech3149 Dec 2012 #3

Well, it IS a renewable resource..... AverageJoe90 Dec 2012 #7

I'd be intersted in seeing the volume of earth's AIR for comparison Speck Tater Dec 2012 #4

I would like that too. stuntcat Dec 2012 #6

People don't seem to realize... Speck Tater Dec 2012 #8