Without the sun to age him, he might look a lot younger than his age.

Exactly! It would be unrealistic if they *didn't* hook up!

see #3 above :-)

You saw that large planet in the sky? They're probably on the moon of a Gas giant. Also, planets precess (wobble) on their axes. That will make a difference at the poles. Something involving a combination of one of more of the following is probably at work: 1) axial precession, 2) shadowing of the Gas Giant or…

That's what Simmons said. And the next one in 18 years.