[meteorite-list] OT: HOW MANY PLANETS?

[Darren Garrison]

On Wed, 3 Aug 2005 20:12:01 EDT, MexicoDoug at aol.com wrote:

>Darren, if we swapped Uranus with Earth something similar to what you  
>envision might happen to Uranus at 1 AU as well...though your point is a good  one 
>to mull over...

I haven't done the math on it (and to be honest, would have to do a bit of brushing up before I
COULD do the math) but I was thinking that the Jovans had enough gravity to hold their atmospheres
even at 1 AU temperatures.  Think about all of those "hot Jupiters" discovered over the past few
years.  Anyone know the mass limit for a Jovan to keep it's volitiles?