Question

Have us humans really explored more of space than our own oceans?​

Answer 1

Answer:

There were no satellites studying the oceans. But even with all the technology that we have today -- satellites, buoys, underwater vehicles and ship tracks -- we have better maps of the surface of Mars and the moon than we do the bottom of the ocean. We know very, very little about most of the ocean.

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Answer 2

Answer:

In other words, humans haven't yet explored or discovered about 65 percent of Earth's surface area. And considering the explorations that have occurred in space over the last decades – detailed imaging of the Moon, Mercury and Mars – it seems space exploration is moving at a faster speed than ocean exploration.