John M. Grunsfeld Quotes
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Life outside of Earth is probably going to be really hard to find.
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There is no stronger case for the motivational power of real science than the discoveries that come from the Hubble Space Telescope as it unravels the mysteries of the universe.
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To help enable the kind of science Hubble is performing makes my life worthwhile.
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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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The only reason Hubble works is because we have a space shuttle.
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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.
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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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The truth is, every single rocket launch off of planet Earth is risky.
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Sciences are being unified by the search for life in the universe.
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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.
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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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There's no question that if we stay on planet Earth and never leave, that eventually we'll be wiped out.
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One of the things that happens in space is that there is a fluid shift. You get a lot of extra pressure, and it fills your sinuses, and the horseradish is a miracle worker for cleaning that out.
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I'm an incurable romantic. But I'm not an adrenaline junkie.
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When I first went to Hubble, as an astronomer and as a scientist, it was a dream come true. And as an astronaut, the Hubble missions are premiere missions because Hubble is so important to science, so important to humanity, that it's just a very special event. But as an astronomer, it was sort of the holy grail of missions.
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Here we were, the only seven humans in space, repairing a telescope whose only purpose is to enrich the minds of people on planet Earth and increase our understanding of the workings of the universe. I can think of no better peaceful use of space for all humankind.
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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.
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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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We're being very careful that we don't send a spacecraft to Mars with the intention of detecting Martian life - and find out that we detected the Earth life that we took with us.
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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'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.
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I have dedicated my life to answering the great scientific questions of our time and to the incredible adventure of space exploration.
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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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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.