John M. Grunsfeld Quotes
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Sciences are being unified by the search for life in the universe.
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I think that space exploration as a broad activity is the most important things that humans can do. I've always found it fascinating, interesting, compelling, and I have a drive to go out into 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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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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The truth is, every single rocket launch off of planet Earth is risky.
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I'm an incurable romantic. But I'm not an adrenaline junkie.
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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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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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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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To help enable the kind of science Hubble is performing makes my life worthwhile.
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Getting a team of scientists on Mars could be transformative.
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The only reason Hubble works is because we have a space shuttle.
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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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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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I got lucky and got assigned to Hubble.
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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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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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A deep ocean under the icy crust of Ganymede opens up further exciting possibilities for life beyond Earth.
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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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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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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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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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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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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.