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  1. Deep-sea exploration - Wikipedia

  2. Why Nasa is exploring the deepest oceans on Earth - BBC

  3. Deep Sea Exploration History and Technology - ThoughtCo

  4. The Deep Sea - Smithsonian Ocean

  5. What’s at the bottom of the ocean? A brief history of deep sea ... - CNN

  6. Home: NOAA Ocean Exploration

  7. Why do we explore the ocean? - NOAA Ocean Exploration

  8. Deep Ocean Education Project | A Hub For Underwater Resources

  9. Diving deep: the centuries-long quest to explore the deepest …