Why is it so hard to map the ocean floor? | 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. Why is the ocean floor so hard to chart? Register to subscribe and read for free. Read more: https://econ.st/3OxWC1Q Subscribe to The Economist: https://econ.st/3Mia0pz Download The Economist app: https://econ.st/4qdVVaA Follow us on X: https://x.com/TheEconomist Follow us on Instagram: https://www.instagram.com/theeconomist Follow us on Facebook: https://
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