Re: [TML] Multiple habitable worlds in system
shadow@xxxxxx 18 Oct 2016 06:23 UTC
On 17 Oct 2016 at 23:55, Tim wrote:
> On Mon, Oct 17, 2016 at 05:00:54AM -0400, Jerry Barrington wrote: >
> Regarding planets around a dim star (or technically *any* multiple >
> system): GM should calculate the blackbody temperature of each >
> planet by summing 278*(L^.25)/(R^.5) for all stars.
>
> Actually they should sum L/R^2, take the fourth root of the sum, and
> multiply by ~278 K. In most cases this will be very similar to just
> taking the maximum (though always at least slightly greater).
Shouldn't that be -273 K ??? Absolute zero is -273.15 C, isn't it?
--
Leonard Erickson (aka shadow)
shadow at shadowgard dot com