feet meters free dive (Francisco Ferreras)............................417 127 deepest alga..............................................900 274 ray of light from the sun perceptive to the human eye...1,600 500 military submarine......................................2,950 900 bathysphere.............................................3,000 914 Johnson Sea Link (four-person submersible)..............3,000 914 sperm whale.............................................3,773 1,150 northern elephant seal..................................4,921 1,500 RMS Titanic's final resting place......................12,500 3,810 Alvin (three-person submersible).......................14,763 4,500 octopus................................................16,404 5,000 sponge.................................................18,500 5,639 Jason (robotic submarine)..............................19,685 6,000 Shinkai (three-person submersible).....................21,414 6,527 deepest recorded fish..................................27,460 8,370 amphipod (crab relative)...............................32,199 9,789 deepest spot on earth..................................35,802 10,912Ocean Planet Exhibition Floorplan
gene carl feldman (gene@seawifs.gsfc.nasa.gov) (301) 286-9428
Judith Gradwohl, Smithsonian Institution (Curator/Ocean Planet)