“This is gonna sound a little strange, but: You can’t see water. There is no splashing. There’s no nothing. It just felt like I was standing on an alien planet. I felt like I was on the surface of the moon. The water was so clear, it looked like a hazy atmosphere.”

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The only diving suit that lets a human reach 1,000 feet underwater was put on display at the American Museum of Natural History on Thursday. Dubbed the “Exosuit,” the system lets humans dive to regions where bioluminescent fish lurk in the darkness, with the goal of studying the fish and their environments more closely, as well as leveraging their biology for medical research.

Not only will the suit allow divers to see and potentially capture fish more safely, they will also get to image them with cameras in their natural habitat. The deep ocean is naturally hostile to humans, and therefore scientists know relatively little about it. Sparks noted that the suit will also let researchers gather more information about how creatures at those depths speciate and diversify, a process that’s not currently well-known.

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