Explorers started making navigation charts showing how wide the ocean was more than 500 years ago. But it’s much harder to calculate how deep it is.
This animation puts the actual distance into perspective, showing a vast distance between the waves we see and the mysterious point we call Challenger Deep.
The Ocean is a deep and scary world that is completely removed from most of our lives. In this video we explore just how deep the ocean actually is while discussing some of the strange life down there.