American - Astronaut | October 10, 1958 -
When I grew up on the south side of Chicago, it was kind of a rough neighborhood, and when my parents saw the prospect of my older sister going to middle school, high school, they decided that we would move to the north side of Chicago, Highland Park, and for me, that was a whole new ballgame.
John M. Grunsfeld
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I'm absolutely compelled for NASA to send international astronauts to Mars to find out if Mars ever harbored life.
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Getting a team of scientists on Mars could be transformative.
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Here on Earth, we're exposed to asteroids hitting the Earth, eventual changes in the Sun, changes in the Earth's climate, things we're doing to the Earth's climate. If we want to survive, we need to become a multi-planet species. That's further down the road, but the first wave is going to be the explorers.
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Life outside of Earth is probably going to be really hard to find.
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Sciences are being unified by the search for life in the universe.
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The surface of Mars is bathed in ultraviolet light, bathed in radiation. Mars's magnetic field is essentially gone, so the surface of Mars is essentially sterilized.
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Science fiction has been an inspiration to generations of scientists and engineers, and the film series 'Star Wars' is no exception.
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If I could live in space, I would definitely do that.
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The strangest thing I've found is that when I got to space, I felt more comfortable in space that I've ever been on Earth before. I just felt this is my home.
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Asteroid detection, tracking, and defense of our planet is something that NASA, its interagency partners, and the global community take very seriously.
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The Hubble Space Telescope is more than remarkable. It has answered just so many of those fundamental questions that people have been asking about the cosmos since people were able to ask questions.
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