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My perspective is the Earth will be here. It just may not be habitable to our life form. We get confused. We think we're the center of everything.
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Some people say they feel very small when they think about space. I felt more expansive, very connected to the universe.
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Everyone in the astronaut program has a degree in a science field. The crew are the ones who do the experiments, help to design some of the experiments that come from other primary researchers. So it becomes very important that you have a science background.
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The reality is that we know that this universe, that our galaxy, has billions of stars. We know that stars have planets. So the likelihood that there is life somewhere else to me is just absolutely there.
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I believe the biggest impediment we have right now with going to Mars is public commitment. More people need to see themselves as a part of space travel; we need to see more inclusiveness.
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When I was a little girl, I thought when I had an opportunity to go into space, I thought I would at a minimum be working on Mars or another large planet because we were doing all of these incredible things.
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We put water down into the earth to push up gas, then we say, 'Ooh, we're having a water crisis.' This is foolishness, and this kind of foolishness, where we try to excuse human behavior, is dangerous.
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People put themselves in difficult situations in lots of different areas. What you count on is people taking every precaution. The aerospace industry is unique in this aspect because a thousandths-of-an-inch mistake can cause spectacular failures.
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Kids come out of the chute liking science. They ask, 'How come? Why? What's this?' They pick up stuff to examine it. We might not call that science, but it's discovering the world around us.
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A big part of engaging kids in science is not getting the single, correct answer; it's being willing to work with students to discover the correct answer.
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I think science fiction helps us think about possibilities, to speculate - it helps us look at our society from a different perspective. It lets us look at our mores, using science as the backdrop, as the game changer.