GEOL105_1

GEOL105_1 - Melting Ice caps in Greenland, huge quantities...

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Melting Ice caps in Greenland, huge quantities of water running through  cracks in glaciers Older galaxies are orange, younger ones are blue and white in the ‘visible  universe’
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Our galaxy – 200-400 hundred billion stars. Hundreds of billions of galaxy  with stars with planets
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Spiral nature of galaxy  
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Black hole in the middle of our galaxy
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Milkyway – our view of the accumulation of stars that make up our galaxy Moon and earth – twin planetary system
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Earth is an island in a vast galaxy part of a large universe, resources are  finite, population is not, precious gift and not taken care of. 
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75% water on earth – mostly oceans – the water planet – enables life 
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Oceans are dying, life will be modified in unfortunate ways  Northern hemisphere more continental parts than southern
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This note was uploaded on 02/07/2012 for the course GEOL 105 at USC.

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GEOL105_1 - Melting Ice caps in Greenland, huge quantities...

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