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stevenvh nous illumina en ce 2009-02-05 08:33 -->
> Alain <ele### [at] netscape net> wrote:
>> It's 20 lightyears away from HERE.
>>
>> A planet orbiting it's sun at a 20 lightyears radius would need to have an
>> extra-galactic sun, or get snatched away by nearby stars. Such a planet would
>> also be frozen solid, with, maybe, sone seas of liguid hydrogen and helium. It's
>> "year" would last several 100's of millenias.
>>
>
> Just for fun, I made the calculation for a star with the same mass as the sun:
> following Kepler's thrid law the planet would orbit the star once every 1.4
> billion years at a speed of 26 m/s (95 km/h), which IMO is still surprisingly
> fast, about 1/1000 of the speed of earth.
> Like you said it would have to be a solitary star, but that shouldn't be a
> problem, there's a lot of space out there. Pun intended :-)
>
>
>
As I sayd, 100's of millenias. 1.4 billions years is 1400 millenias.
You said "lots of space" out there... You bet! Over all, the galaxys "use" less
than 1% of the "space".
--
Alain
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Agnostic: Shit might have happened; then again, maybe not.
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