I don't believe so, I haven't seen any. But it would be strange for there to be none.

[He isn't fully convinced that he's not still in his own world, but a different colony site maybe.]

I have never been, but I have heard at night you can see the lights in the sky there. The.. [What's the word for it.. hm..] Aurora? Hai, the aurora borealis.

It sounds beautiful.