[ExI] Billions of Interstellar Planets

[Dennis May]

David Lubkin wrote:
 
> It would be very cool if we found out that 
> the rest of the galaxy was similar. That is, 
> that there is little or no interstellar space. 
> (I count a solar system as extending to its 
> Oort cloud.)
 
Since planets get ejected during the formation
of solar systems you can be sure there is
a great deal of mixing of lesser bodies between
solar systems as well.  The density may drop
between stars but there will still be large
numbers of small bodies even in the thinnest
density regions.
 
Dennis May
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