Imagine the planet Earth. Now imagine all the water on the planet – the oceans, rivers, lakes, snow, ice, groundwater, water in plants and animals, water vapor in the atmosphere – every last molecule of good old H2O. Now imagine all that water gathered into a sphere. How big would that sphere be? Got it pictured, mentally?
Click here for the answer. I was off by about 50%...
No comments:
Post a Comment