21.5

The Great Magnet, the Earth: Commemorating the 400th anniversary of "De Magnete" by William Gilbert of Colchester.

by David P Stern (ret), Lab for ExtraTerrestrial Physics, NASA Goddard Space Flight Centre, Md.
http://www.phy6.org/earthmag/demagint.htm
A collection of websites describing the development of science devoted to the study of magnetism, electromagnetism, terrestrial and space magnetism. Also at this site are collections of pages devoted to detailed study of spaceflight and the Earth's magnetosphere, including the Aurorae.

Copyright © 2006 John Wiley & Sons, Inc. All rights reserved.