(urth) Sigh.

[Gerry Quinn]

From: "António Pedro Marques" <entonio at gmail.com>
> No dia 11 de Jan de 2011, às 21:05, "Dan'l Danehy-Oakes" 
> <danldo at gmail.com> escreveu:
>
>> Urth's sun, still red, is visible in the skies of Blue.
>
> Space-time is a strange place. Observers may be looking at their own star 
> system far, far away.

That's not really feasible for stars within a single galaxy - as far as I 
can see you'd have to be in close orbit around a really gigantic black hole, 
which would fill most of the sky.

- Gerry Quinn