pickles55 t1_iy5szgu wrote
Reply to comment by heisdeadjim_au in TIL More than 80 percent of the ocean has never been mapped, explored, or even seen by humans and as a result, we know more about the surface of Mars than Earth by [deleted]
Satellites are used to scan the ocean all the time
heisdeadjim_au t1_iy5uemq wrote
That's.... kinda my point. Doesn't that constitute a formnof mapping?
pickles55 t1_iy5uxxu wrote
Definitely
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