In Photos: ROV Explores Deep Ocean Trench
When you buy through links on our site , we may bring in an affiliate commission . Here ’s how it works . Deep Explorer The loanblend remotely operated vehicle ( ROV ) called Nereus ( shown here ) has been tax with exploring the deepest parts of the Earth ’s sea where air pressure can be as great as 16,000 pounds per square inch . It has explored the world ’s deepest deep , the Marianas Trench , and the secondly - cryptical trench , the Kermadec Trench ....