What is a bathysphere?

[Dr. Andrew G. McArthur]

Try:

http://seawifs.gsfc.nasa.gov/OCEAN_PLANET/HTML/ocean_planet_ocean_science.html

http://seawifs.gsfc.nasa.gov/OCEAN_PLANET/HTML/oceanography_how_deep.html

http://seawifs.gsfc.nasa.gov:80/OCEAN_PLANET/HTML/beebe.html

>Any information would be appreciated.
>
>Thanks