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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. "
John M. Grunsfeld
Find
Finding
Going
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" Regardless of what dreams you have, work very hard, play very hard, and have fun. "
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" At the age of six, I declared that I wanted to be an astronaut. My mother thought that was just fine, as it would encourage me to learn science, and besides, there really was no chance I would ever actually become an astronaut. "
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" After my spacewalks, I am quite exhilarated but also tired, similar to a workout on Planet Earth. "
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" There are some things worthy of risking your life for. "
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" Life outside of Earth is probably going to be really hard to find. "
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" The first thing to know about space food - it is the ambiance; it is the environment. It is not the food. "
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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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" To help enable the kind of science Hubble is performing makes my life worthwhile. "
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" Once in a while, the universe lets you be free alone and in peace. "
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" The James Webb Space Telescope was specifically designed to see the first stars and galaxies that were formed in the universe. So we're gonna see the snapshot of when stars started. When galaxies started. The very first moments of the universe. And my bet? There's gonna be some big surprises. "
John M. Grunsfeld
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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. "
John M. Grunsfeld
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" The Martian atmosphere is very thin. It's like our atmosphere at 100,000 feet. "
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" 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. "
John M. Grunsfeld
Technology
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Hard
" Sometimes astronauts feel a little ill or get minor scrapes. I trained as a crew medical officer to do basic treatment. "
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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. "
John M. Grunsfeld
Chicago
Me
Nothing
" The biggest honor is to be an astronaut. It's such a tremendous privilege to be able to represent humankind in our quest to explore space. "
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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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" 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. "
John M. Grunsfeld
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" Getting a team of scientists on Mars could be transformative. "
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" I'm an incurable romantic. But I'm not an adrenaline junkie. "
John M. Grunsfeld
Incurable
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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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" I was not really scared on my spacewalks. We practice so much and need to stay so focused that it has a calming effect on me. I do a kind of visualization and meditation in the airlock prior to going outside, to guide my first activities once I get out in space. "
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" All space exploration is risky. As an astronaut, I had to decide each and every time I went to space whether or not to risk my life for the mission. "
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" Our journey in going beyond our home planet is a human endeavor, and in the greatest tradition of exploration, past, present, and future spacefarers will continue to be enduring catalysts for inspiration in our quest to unravel the mysteries of the universe. "
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" Are we alone? Many, many people on planet Earth want to know. We are on the cusp of being able to answer that question... because of the investments we're making in space technology. "
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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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" The best would be to fly in space with family and friends. "
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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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" As a young boy growing up on the South Side of Chicago, I was inspired by the nascent space age. "
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" 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. "
John M. Grunsfeld
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