Trent Shipley wrote:
>
> > Ok. But it's better to go back and set the Drake factors based on what
> > we want to get in the end.
>
> Excellent idea!
>
And then we can get back and estimate how many planets developed
pre-sentient life _before_ the Progenitors came and destroyed their own
planets cau
On Friday 2004-01-09 05:34, Alberto Monteiro wrote:
> Trent Shipley wrote:
> >>> If there are 2M inhabited planets then there are 14M fallow planets.
> >>> At any given time there must be a total of 16M habitable planets.
> >>
> >> Ok, 700ky, or 1My, don't change the final numbers very much
> >
>
At 06:37 AM 1/9/04, Alberto Monteiro wrote:
Ronn!Blankenship wrote:
>
>> But Asimov was optimist about the existence of habitable planets, we
>> know for sure that there can't be habitable planets around, for
>> example, Epsilon Eridani, where Asimov placed Baleyworld-Comporellon.
>
> We do?
>
Does
Ronn!Blankenship wrote:
>
>> But Asimov was optimist about the existence of habitable planets, we
>> know for sure that there can't be habitable planets around, for
>> example, Epsilon Eridani, where Asimov placed Baleyworld-Comporellon.
>
> We do?
>
Doesn't Epsilon Eridani have a hot-Jupiter orbit
Trent Shipley wrote:
>
>>>
>>> If there are 2M inhabited planets then there are 14M fallow planets.
>>> At any given time there must be a total of 16M habitable planets.
>>
>> Ok, 700ky, or 1My, don't change the final numbers very much
>
> Nope.
>
> Look. I want to write about Clan Tothtoon. To
At 12:13 AM 1/9/04, Trent Shipley wrote:
>
> As a side note, Asimov's Galactic Empire includes 25M planets in a
> single Galaxy, all of them terraformed in the past 22,000 years. But
> Asimov was optimist about the existence of habitable planets, we
> know for sure that there can't be habitable pla
On Thursday 2004-01-08 06:00, Alberto Monteiro wrote:
> Trent Shipley wrote:
> >> No. I propose that there are 2M planets _with_ galactic
> >> civilization settled on them. But they could be 20M or 200k.
> >
> > Good. So 2M is a _reasonable_ statistical expectiation for planets that
> > could supp
Trent Shipley wrote:
>
>> No. I propose that there are 2M planets _with_ galactic
>> civilization settled on them. But they could be 20M or 200k.
>
> Good. So 2M is a _reasonable_ statistical expectiation for planets that
> could support civilzation across 5 galaxies.
>
As a side note, Asimov's Ga
Perhaps of interest:
Donald Savage
Headquarters, WashingtonJanuary 7, 2004
(Phone: 202/358-1727)
Steve Roy
Marshall Space Flight Center, Huntsville, Ala.
(Phone: 256/544-6535)
Megan Watzke
Chandra X-ray Observatory Center, Cambridge, Mass.
(Phone: 617/496-7998)
RELEASE: 04-013
On Wednesday 2003-12-24 06:22, Alberto Monteiro wrote:
> Trent Shipley wrote:
> >> My estimate includes all five. Of course, as in Drake's equation,
> >> each factor has an error from 10% to 900% :-)
> >>
> * about 10 planets per race
> * about 200,000 races
> >
> > Alberto, as I recall D
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