Extraordinary claims. Ordinary investigations.

All the Water on Earth

“If you could pull all the water in the ocean, the atmosphere, and on top of or beneath the surface of Earth into a ball, it would measure only about 950 (1,500km) miles across. By comparison, the moon is 2,160 (3,475km) in diameter. Of this, only about 3 percent if freshwater, and of that only about two-thirds is in a form or a location that is easily accessible to humans.”

Animation by Jack Cook, Woods Hole Oceanographic Institution, this is a wonderfully clear video version of Adam Nieman’s award winning graphic. [via cgr v2.0]

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Posted in Science | 2 comments

2 Comments so far

  1. Bob January 23rd, 2013 6:10 am

    You say “only” like it’s a little bit. 900 miles wide of anything is a whole lot.

    It’s like saying we’re so small when compared with the scale of the Universe. Yeah, and?

  2. [...] you reach for a bottle of water you might want to take a look at this 48-second video that graphically shows just how little water there is on earth. Perhaps the picture wouldn’t [...]

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