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By 1973, we had a space station, the Skylab, and we had multiple probes going up to planets. So, all this wonderful stuff happened in 10 to 15 years. About that time, there should have been enormous initiatives to make it affordable for people to fly in space, not just a handful of trained NASA astronauts and Russian cosmonauts.
NASA's been one of the most successful public investments in motivating students to do well and achieve all they can achieve, and it's sad that we are turning the program in a direction where it will reduce the amount of motivation it provides to young people.
'Rocket Boys,' for one reason or the other, just happened to strike a chord across country and across world, maybe because it's set in a little coal-mining town. That's why NASA likes it - most of the engineers come from towns very similar.
Think about what would happen if Indiana Jones and Google Earth had a love child. I use high-resolution and NASA satellites and look for subtle differences on the surface of the earth that locate buried ancient pyramids and towns and ancient tombs, which we then go and excavate.
The costs of badly-run NASA projects are paid for with cutbacks or delays in NASA projects that didn't go over budget. Hence the guilty are rewarded and the innocent are punished.
The mission of NASA's Kepler telescope is to lift the scales from our eyes and reveal to us just how typical our home world is. Kepler operates by measuring the dimming of stars as planets pass ('transit') in front of them. It has found thousands of previously unknown worlds.
After the Challenger accident, NASA put in a lot of time to improve the safety of the space shuttle to fix the things that had gone wrong.
All the traditional STEM fields, the science, technology, engineering, and math fields, are stoked when you dream big in an agency such as NASA.
What we do at NASA is inspiring. It's reaching, it's visionary, and it inspires people on Earth to try hard things.
We need to be very thoughtful about how we propose to spend the money that NASA does have for space exploration. And we need to be clear that there's the human spaceflight part of NASA, and there's the science space part of NASA, and there's also aeronautics. Those are all very different things that NASA does.
Instead of being able to look at smaller interesting research projects, I am trying to see the links between all the research NASA does. For me, that's extremely fun because I get to go play and learn about areas of science that I know nothing about.
For long-duration exploration missions, NASA is looking for folks with a lot of operational, hands-on experience, people who have been in field-type situations such as military deployments. In my case, I worked in the Congo and in Biosafety Level 4 labs on smallpox.
I'm urging NASA to foster the development of what I call 'runway landers.' No, that's not the name of a high stakes gambler from Vegas. It's a type of spacecraft that flies to orbit like the retiring Shuttles but then glides to a landing like an airplane on a runway. Just like the Shuttles do.
Boeing, LockMart, and hundreds of other companies, large and small, work in the space business, and they also create new techniques and technology; but they'd be nowhere if NASA and the Department of Defense hadn't shown the way by funding the first big rockets and satellites.
There was a time when Pluto - which NASA's New Horizons spacecraft at last explored in 2015, a mission I led - was considered the last planet. We now know there are thousands of other - possibly inhabited - planets.
It's hard to imagine anything more interesting than learning how we're woven into the enormous tapestry of existence. Where did our universe come from? How special is our world, and how special are we? We allocate tens of billions of dollars annually to NASA, NSF and academia in search of the answers.
I think eventually private enterprise will be able to send people into orbit, but I suspect initially it's going to have to be with NASA's help.
Miniaturization of electronics started by NASA's push became an entire consumer products industry. Now we're carrying the complete works of Beethoven on a lapel pin listening to it in headphones.
I think it's really a sign of great American strength that we do invest the money we do in technology, in these hard projects, in NASA.
We actually look to the scientific community to kind of come back to NASA and tell us what the priorities should be. And then at NASA, we try to look within our budget and say, 'What can we accommodate, and what are the most important things for the nation?'
When I started working at NASA and understanding what the capabilities really were of the space station and the space program, one of the biggest draws for me was the ability to do experiments in space. We can do a number of experiments where gravity is actually a variable.
As a scientist in charge of space sensors and entire space missions before I was at NASA, I myself was involved in projects that overran. But that's no excuse for remaining silent about this growing problem or failing to champion reform.
The total number of people that do a job that has the same description as mine in the entire world is fewer than 10. There's a lot of effort looking for life in space - that's a lot of what NASA does, but they're not necessarily looking for the kind of life that can hold up its side of a conversation.
If the United States commits to the goal of reaching Mars, it will almost certainly do so in reaction to the progress of other nations - as was the case with NASA, the Apollo program, and the project that became the International Space Station.
Asteroid detection, tracking, and defense of our planet is something that NASA, its interagency partners, and the global community take very seriously.
As a card-carrying space nerd and NASA's chief scientist, I love space movies, from 'Star Trek' to 'Star Wars' to my all-time favorite - 'The Dish', an Australian comedy that celebrates that first moment when Neil Armstrong stepped down onto the surface of our moon.
Sending greeting cards to aliens is hardly a new idea. In 2005, Craigslist solicited messages for broadcast to space by a transmitter in Florida, and in 2008, NASA beamed a Beatles song to the North Star (Polaris), on the assumption that any putative Polarians would appreciate the Fab Four's 1960s-genre compositions.
The problem is that many people operate on the assumption that NASA should go to Congress every year with hat in hand and justify it every year. Well, I see it as the greatest economic driver that there ever was. Economic drivers don't need justification.
Our country... invests a tiny fraction of 1 percent in NASA, and this is what's so amazing to me, is with that small investment, we do so much for the country.
Fortunately, there's another handy driver that has manifested itself throughout the history of cultures. The urge to want to gain wealth. That is almost as potent a driver as the urge to maintain your security. And that is how I view NASA going forward - as an investment in our economy.
I look forward to working with the NASA team to help enable new discoveries in our quest to understand our home planet and unravel the mysteries of the universe.
There's a perspective that I've gained as an astronaut that I didn't get from my science activities. In my science activities, I learned by the seat of my pants. Spending 17 years as an astronaut, I learned the NASA formalism of systems engineering as if my life depended on it. Literally.