<em>Technologies used to explore outer space and the ocean include submersibles, remotely operated vehicles (ROVs), satellites, rovers, diving/scuba gear, buoys, mega corers, water column samplers, and sonar for mapping.</em>
Answer: Technology such as submarines and deep diving machines are created to help search depths. Biologists and and such deep dive and put together their findings. High powered lights are required to help see at such depths, since sunlight is unable to reach the ocean floor.
