Down to
10,935m
Depth of the Challenger Deep
Pressure at the trench floor
Water at two kilometres down
Light in the midnight zone
Of seafloor mapped in detail
Top of the twilight zone
Of deep-sea life that glows
Round trip for a crewed dive
New marine species each year
Average depth of the ocean
Of Earth's water is ocean
Speed of sound in seawater
Abyssal sediment per 1,000yr
Lifespan of Greenland shark
Deepest fish ever filmed
Freezing point of seawater
Known hydrothermal vents
Hottest water microbes take
Added pressure per 10 metres
Between two high tides
Carbon absorbed each year
Where the hadal zone begins
Of your oxygen from plankton
One global conveyor cycle
Depth of the Challenger Deep
Pressure at the trench floor
Water at two kilometres down
Light in the midnight zone
Of seafloor mapped in detail
Top of the twilight zone
Of deep-sea life that glows
Round trip for a crewed dive
New marine species each year
Average depth of the ocean
Of Earth's water is ocean
Speed of sound in seawater
Abyssal sediment per 1,000yr
Lifespan of Greenland shark
Deepest fish ever filmed
Freezing point of seawater
Known hydrothermal vents
Hottest water microbes take
Added pressure per 10 metres
Between two high tides
Carbon absorbed each year
Where the hadal zone begins
Of your oxygen from plankton
One global conveyor cycle
  • Down to 10,935m — Depth of the Challenger Deep
  • 1,100× — Pressure at the trench floor
  • 4°C — Water at two kilometres down
  • 0% — Light in the midnight zone
  • Under 1% — Of seafloor mapped in detail
  • 200m — Top of the twilight zone
  • 76% — Of deep-sea life that glows
  • 11h — Round trip for a crewed dive
  • Over 2,000 — New marine species each year
  • 3.7km — Average depth of the ocean
  • 97% — Of Earth's water is ocean
  • 1,500m/s — Speed of sound in seawater
  • 1cm — Abyssal sediment per 1,000yr
  • Up to 400yr — Lifespan of Greenland shark
  • 8,336m — Deepest fish ever filmed
  • −1.8°C — Freezing point of seawater
  • Over 600 — Known hydrothermal vents
  • 121°C — Hottest water microbes take
  • 1atm — Added pressure per 10 metres
  • 12h25m — Between two high tides
  • Roughly 2.5Gt — Carbon absorbed each year
  • 6,000m — Where the hadal zone begins
  • Nearly 50% — Of your oxygen from plankton
  • 1,000yr — One global conveyor cycle