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However, the total surface area of Mars is roughly equal to the total land area of Earth.

• dylan604 3y ago
  If I wanted to make a textured globe, you just made my oceans totally smooth. Some of the tallest mountain ranges we have are in the area you just nulled out.
  • Sharlin 3y ago
    And how exactly would satellite imagery (no matter which wavelength range) help you texture the ocean floor in your globe?
    • dylan604 3y ago
      nobody said optical wavelengths were the only meaning of imagery.
    • swiftcoder 3y ago
      Turns out the surface of the ocean has ridges and valleys that match the seafloor, and these can be measured by radar from a satelite