Now, I've never flown in space; but the folks who have say that on landing day, you know, you've just spent maybe a week and a half, sometimes two weeks in orbit and you're used to the things happening slowly in space.

You know, Scooter's going to do the first separation burn; I'm going to do the second separation burn.

I'm looking forward to coming back, back to Earth, the landing, the views.

Those folks out in the space suits are going to be getting beat up.

And, all these things need to be coordinated; so we all need to work together, have timers going and everything so we're all coordinated and get this piece of orchestration done.

Now, I've never flown in space; but the folks who have say that on landing day, you know, you've just spent maybe a week and a half, sometimes two weeks in orbit and you're used to the things happening slowly in space.

That's what Hubble can do for us. It can tell us whether the universe is expanding forever or if one day it's going to come back together.