"Kevin G. Rhoads" wrote in message
...
|| If we ever build a Beanstalk (tethered mass in geosynchronous
| | equatorial orbit) will the stalk carry a current from "cutting" the
| | Earth's field as it orbits?
| |
| | If conductive, perhaps -- remember B fields, like motion, are expressed
| | in vectors, so the cross product can be zero even if both terms are not
| | (they only need be parallel).
|
| No, the Earth's magnetic field moves with the Earth - the magnetic pole
| doesn't travel in a circle every day, yet it is offset from the Earth's
| axis.
|
| The Earth's magnetic field does not move with the Earth out to arbitrary
| distances.


Yes it does, we are only concerned here with 24,000 miles.
See thread title, the field rotates with the magnet.
http://www.androcles01.pwp.blueyonder.co.uk/AC/spin.gif



| In the ionosphere the field gets shaped by the interaction
| of the solar wind with the internal generator of the Earth (among other
| lesser influences).

The path of the solar wind is shaped by the field, you have the cart
before the horse.


| Your analysis is oversimplified to the point of
| being flat out wrong. With all due respect: Please, try again.

With all due disrespect you are flat out wrong.