Humans know more about the surface of Mars than Earth’s ocean floor. Only 27% of the seabed has been mapped—the rest is still an estimate. Tap the link to discover why the ocean floor is so hard to chart: | Collector

Humans know more about the surface of Mars than Earth’s ocean floor. Only 27% of the seabed has been mapped—the rest is still an estimate. Tap the link to discover why the ocean floor is so hard to chart:

The Economist

Humans know more about the surface of Mars than Earth’s ocean floor. Only 27% of the seabed has been mapped—the rest is still an estimate. Tap the link to discover why the ocean floor is so hard to chart:

Humans know more about the surface of Mars than Earth’s ocean floor. Only 27% of the seabed has been mapped—the rest is still an estimate. Tap the link to discover why the ocean floor is so hard to chart:

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