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The main reason for our lack of direct observations of our ocean floor is technological. The surface of the Earth, the Moon, and/or Mars is directly illuminated by light and radio waves.
or We know more about the topography of Mars than we do about the earth's sea floor," Shin Tani says, even though oceans "have a much bigger direct impact on our everyday lives than the surface of Mars." But today, we have the ability to map the world's seafloor in more detail than ever, and this is crucial for managing.
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