John M. Grunsfeld Quotes
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Growing up in Highland Park, in high school, I had some very influential teachers: I had a math teacher who taught calculus that helped me learn to be in love with mathematics; I had a chemistry teacher who inspired us to work what was in the class and to go beyond.
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A deep ocean under the icy crust of Ganymede opens up further exciting possibilities for life beyond Earth.
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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.
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What we do at NASA is inspiring. It's reaching, it's visionary, and it inspires people on Earth to try hard things.
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We need to move off the planet. And Mars is the next best place.
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When I grew up as a kid, we didn't know there were any other planets outside of our own solar system. It was widely speculated that planet formation was an incredibly rare event and that it's possible that other planets just don't exist in our galaxy, and it's just this special situation where we happen to have planets around our sun.
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I can't imagine anywhere I'd rather be than outside the space shuttle in my space suit next to the Hubble Space Telescope.
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Hubble isn't just a satellite; it's about humanity's quest for knowledge.
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I grew up on the south side of Chicago in the 1960s, and I think there was a synchronicity of events that inspired me to be an astronaut, and, of course, the backdrop is nothing less than Mercury, Gemini, and Apollo. That was a time in our nation where we aspired to great things, and we achieved them.
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We don't know how many planets we're going to have to examine before we find life, and not finding it on 10 or 100 doesn't mean it's not there. This may be very tricky.
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Being an astronaut, there are not a lot of things that have really shocked me in my life.
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Absolutely the most fun thing to do in space and rewarding thing, in many ways, is to look back at planet Earth.
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I thrive with high-performance challenges in front of me.
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The moon's a nice place to visit, but you wouldn't want to live there.
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I got lucky and got assigned to Hubble.
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Small bodies in our solar system, like comets and asteroids, help us understand how the solar system formed and provide opportunities to advance exploration.
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Hubble showed us the marvel and majesty of stars being born.
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Only by studying large numbers of people can we figure out, are astronauts dying at a higher rate of cancer, and what types of cancers, than other people?
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There are some things worthy of risking your life for.
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I kind of feel like I found my cause in life servicing the Hubble Space Telescope.
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The things I like to do involve a lot of mental focus, a combination of physical and mental challenge. That is what mountain climbing is.
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Science at NASA is all about exploring the endless frontier of the Earth and space.
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I have had the privilege to be a member of many high-performance teams at NASA, both on and off the planet.
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I'm absolutely compelled for NASA to send international astronauts to Mars to find out if Mars ever harbored life.