John M. Grunsfeld Quotes
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To help enable the kind of science Hubble is performing makes my life worthwhile.
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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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The truth is, every single rocket launch off of planet Earth is risky.
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Life outside of Earth is probably going to be really hard to find.
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The only reason Hubble works is because we have a space shuttle.
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I'm an incurable romantic. But I'm not an adrenaline junkie.
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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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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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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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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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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 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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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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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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Sciences are being unified by the search for life in the universe.
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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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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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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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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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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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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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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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A deep ocean under the icy crust of Ganymede opens up further exciting possibilities for life beyond Earth.