I know: If you're looking down at Earth, you're looking through an atmosphere that has a bit of haze in many places and not just occasional clouds.

When you're in a spacecraft, you need to know what things you can touch and what things you shouldn't touch!

Not everyone can be an astronaut and go into space, some people with sufficient resources can purchase and fly sub-orbitally thanks to various companies and for more money (considerably) fly into orbit.

I think the public needs to be reminded just how much inspiration and intention was given throughout the world to be bold, to send human beings to the moon in the '60s and the '70s. It's important now to bring together the nations that weren't able to do it then and help them do it. We need to move forward.

Save the taxpayer's money by canceling the Ares 1 and V.

I think both the space shuttle program and the International Space Station program have not really lived up to their expectations.

There are always door openings. And gradually, it accumulates. The opportunities open up in front of you.