I'd go back and hang out with Isaac Newton. I'm torn between do I hang out with him or do I bring him into the present to hang out with me. See, that might be terrifying because his head will just explode once he sees everything that was derived from his discoveries, but I'd spend more time with someone who I think is one of the most brilliant minds our species has ever known.

If we're going to affect policy, or affect attitudes, for me, the adults have always been the target population.

The miniaturization of electronics, which ultimately was driven by the marketplace, was started by NASA, because it costs money to get something into orbit. So you want to trim your electronics, miniaturize your electronics, miniaturize your satellites.

To get an Emmy nomination for a show that was the first-ever science talk show on television to us was an affirmation that there is an appetite for this content in the mainstream public, not just the erudite public. So we're all completely thrilled by it.

'Boldly going where hundreds have gone before' does not make headlines.

Luckily, there are some rocks left over from our earliest days, asteroids formed during our solar system's birth. Occasionally, some of them drop in on Earth, and when they do, they're called meteorites.

I knew my interest in the universe and I owned a telescope that I bought with money I earned by walking dogs. 50 cents per walk, per dog, and that accumulated quickly. I bought a camera, a telescope. I taught myself astrophotography. I did all this.