EVS 1101 Lecture Notes - Lecture 1: Oceanic Crust, Mount Pinatubo, Hydrogen Atom
8 Feb 2016
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Some figures and tables in this chapter are taken from the personalized textbook environment (pearson) Sun, mercury, venus, earth, mars, jupiter, saturn, uranus, neptune small terrestrial planets huge ice or gaseous planets (outer planets) Sun has over 99. 8 % of the mass of the solar system: earth is unique in that it has liquid water covering bulk of its surface. Life developed solar system: water elsewhere in, much interest in mars. Planet earth: mass: 5. 98 x 1024 kg. (5. 98 million billion billion kg: circumference: 40 041 km, diameter: 12 742 km, age: 4. 6 billion years old, oldest rock: ~4. 55 billion years old (northern quebec) Life on earth: fossilized life forms reported in 3. 4 3. 5 billion year old rocks. Filament structures resembling micro-fossilized life but recently identified as being minerals (nature geoscience, 2011: humans appeared 3. 5. 4. 4 million years ago: modern humans ~200, If earth was 24 hours old, humans would have appeared at 23h59.
