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 10,912
Ocean Planet Exhibition Floorplan
gene carl feldman (gene@seawifs.gsfc.nasa.gov) (301) 286-9428
Judith Gradwohl, Smithsonian Institution (Curator/Ocean Planet)