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Chapters 7 and 8 (ways to study places (Ways to study space (Telescopes,…

- - - - Radio Telescopes
      - Space Telescopes
      - optical telescopes
        
        reflecting
        
        refracting
    - - International Space Station is the current one
- - - - Yellowstone Volcano
      - Hawaiian Chain
- - - - Holmes thought it could be convection cells in the mantle, but no real evidence of this
      - His theory of continental drift has no mechanism for the movements of the continents
      - Died in 1930 with no answers to his problem
  - - - Bathymetric Evidence of Seafloor spreading
        
        They can see things under water though echo sounding
        
        Trenches
        
        Mid Oceanic Ridge
        
        Abyssal Plains
      - youngest rocks by the mid oceanic ridges
        
        Mountain Ridges in the Ocean
        
        Can be found by echo sounding