[ExI] kepler study says 8.8e9 earthlike planets

[Andrew Mckee]

On Wed, 06 Nov 2013 03:11:11 +1300, Anders Sandberg <anders at aleph.se>  
wrote:

> The Zeeman effect allow you to measure magnetic field strengths  
> remotely, and they are quite weak.
>
> http://ned.ipac.caltech.edu/level5/March03/Vallee/Vallee_contents.html
> http://arxiv.org/ftp/arxiv/papers/1302/1302.5663.pdf


Thanks, I'll add it to the reading list.

But fields of 10^3 to 10^12 Gauss are weak?, so what do you consider a  
strong magnetic field then?, and how does one avoid ever meeting one in a  
dark alley? ;-)