Vastoscope
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02 · Ocean · 5 min

Into the midnight world

Descend from ordinary diving depth through fading sunlight, shipwrecks, abyssal plains and the deepest measured point in the ocean.

9 evidence-linked checkpoints3.8 orders of magnitude outwardHuman to Challenger Deep
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01Human02Scuba depth03Blue whale04Twilight zone05Record scuba dive06Average ocean07Titanic wreck08Abyssal depth09Challenger Deep
  1. 01
    Opening coordinate · Familiar · People

    The surface body

    Adult human · ≈1.75 m

    Humans evolved for one atmosphere of pressure and easy access to air. The ocean quickly changes both conditions.

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    Visual evidence plate for Adult human10011% complete
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  2. 02
    First threshold · Monumental · Ocean

    Forty metres

    Recreational scuba limit · ≈40 m

    Advanced recreational divers may reach this depth, where pressure is around five times that at the surface.

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    Visual evidence plate for Recreational scuba limit10222% complete
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  3. 03
    Perspective shift · Monumental · Animals

    The largest animal

    Blue whale · ≈29 m

    A blue whale is enormous beside a person, but small compared with the vertical scale of the ocean.

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    Visual evidence plate for Blue whale10133% complete
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  4. 04
    Perspective shift · Monumental · Ocean

    Sunlight begins to fail

    Ocean twilight zone begins · ≈200 m deep

    Near two hundred metres, the ocean enters a dim world where photosynthesis can no longer power ordinary ecosystems.

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    Visual evidence plate for Ocean twilight zone begins10244% complete
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  5. 05
    Deep crossing · Monumental · Ocean

    A record descent

    Deepest open-circuit scuba dive · 332.35 m

    The deepest open-circuit scuba dive reached roughly the height of the Eiffel Tower turned downward.

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    Visual evidence plate for Deepest open-circuit scuba dive10356% complete
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  6. 06
    Revelation · Monumental · Ocean

    The average is already extreme

    Average ocean depth · ≈3.682 km deep

    The global mean depth is about 3.7 kilometres, hiding mountains, ridges and trenches under the water.

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    Visual evidence plate for Average ocean depth10467% complete
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  7. 07
    Revelation · Monumental · Ocean

    The Titanic in darkness

    Titanic wreck depth · ≈3.8 km deep

    The wreck lies around 3.8 kilometres deep, beyond sunlight and under crushing pressure.

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    Visual evidence plate for Titanic wreck depth10478% complete
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  8. 08
    Return signal · Monumental · Ocean

    The abyss gives way to hadal trenches

    Abyssal zone boundary · ≈6 km deep

    At around six kilometres, only specialized organisms and machines operate routinely.

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    Visual evidence plate for Abyssal zone boundary10489% complete
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  9. 09
    Return signal · Planetary · Ocean

    The deepest measured point

    Challenger Deep · ≈10.935 km deep

    Challenger Deep is deep enough to submerge Mount Everest with kilometres of water remaining above it.

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    Visual evidence plate for Challenger Deep104100% complete
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Expedition complete

You crossed 3.8 orders of magnitude.

The route began at Adult human and ended at Challenger Deep. The next step is to place both endpoints inside the same comparison engine and inspect what the raw ratio means.

Compare the endpointsChoose another expedition