Lecture 2 Origins of Water

Lecture 2 Origins of Water - Water’s Beginnings ‘The...

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Unformatted text preview: Water’s Beginnings ‘The seeds of everything have a moist nature”. Thales of Meletus “the father of science” (Circa 600 B.C.E.) “Water is the origin and essence of all things” Spherical Earth Moon reflected light Eclipse A multitude of words is no proof of a prudent mind. “The most difficult thing in life is to know yourself.” Quotes ice Ice core Ice and liquid clouds Oceans Essence of all things? Water in the Solar System ice Ice Temp. and P o Ice core Ice and liquid clouds How large is the earth? Radius: 3986 mi (4000 mi) Diameter: 7973 mi (8000 mi) Circumference: 25,048 mi (25,000 mi) When was it calculated? 8000 miles 870,000 miles How much water is there? 400 billion billion gallons 326 million mi 3 (one estimate) 700 miles Total Earth Water = Total Earth Water = 326 million mi 3 700 mile s Total Earth Water = Total Earth Water = 326 million mi 3 841 miles 3476 miles ¼ diameter of moon 326 million mi 3 0.12% of the earth’s volume Where is all this water? Where is all the Water? Where is all the Water?...
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Lecture 2 Origins of Water - Water’s Beginnings ‘The...

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