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.

So, we have to get up and get pumped up for each day.

I worked for some very good people who have helped me along the way and actually enabled me to have the opportunity to be selected to join the Astronaut Corps.

I see it as one of my jobs to make sure that, it sounds ridiculous, but to make sure the folks are eating, make sure folks are getting enough fluids, make sure folks are, you know, comfortable in the orbiter.

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.

There's been a tremendous amount of work that's been done that you can't see in Columbia.

You know, piloting really isn't my hobby. And, it's probably not something I'd do in my spare time if I could do whatever I wanted to do. But, I'll tell you: if you've got to make a living, it's a great way to make a living!