For centuries, humans have explored the Earth's mountains, jungles and deserts. But despite covering more than 70% of the Earth's surface, the ocean is still a relative mystery. In fact, we know more about the surface of Mars than we do about the sea floor; just over 20% of the ocean bed has been mapped.
원문출처 : https://www.cnn.com/2021/10/26/tech/seatrec-bedrock-robot-seabed-mapping-climate-spc-hnk/index.html
원문출처 : https://www.cnn.com/2021/10/26/tech/seatrec-bedrock-robot-seabed-mapping-climate-spc-hnk/index.html