Expedition log · 0 m
Scroll down. Every pixel is about a metre of water. The bottom is 10,935 metres away.
0 – 200 m
Ninety percent of ocean life lives up here, where there is enough light for plants to grow. Below this line, colours start to disappear: red goes first.
200 – 1,000 m
Faint blue light, and it is snowing: "marine snow" is the slow fall of dust and dead plankton from above. Jellyfish make their own light down here.
1,000 – 4,000 m
No sunlight reaches this far. Ever. You brought a torch.
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4,000 – 6,000 m
Near freezing, crushing pressure, and something big just went past.
6,000 – 10,935 m · Challenger Deep
Deeper than Everest is tall. Fewer people have been here than have walked on the Moon.