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" I'm absolutely compelled for NASA to send international astronauts to Mars to find out if Mars ever harbored life. "
John M. Grunsfeld
Find
Mars
Astronauts
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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. "
John M. Grunsfeld
Peaceful
Think
Space
" As a young boy growing up on the South Side of Chicago, I was inspired by the nascent space age. "
John M. Grunsfeld
Growing Up
Growing
Chicago
" 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. "
John M. Grunsfeld
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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. "
John M. Grunsfeld
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" InSight will get to the 'core' of the nature of the interior and structure of Mars, well below the observations we've been able to make from orbit or the surface. "
John M. Grunsfeld
Will
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Interior
" The first thing to know about space food - it is the ambiance; it is the environment. It is not the food. "
John M. Grunsfeld
Know
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Food
" I got lucky and got assigned to Hubble. "
John M. Grunsfeld
Hubble
Got
Assigned
" There's no question that if we stay on planet Earth and never leave, that eventually we'll be wiped out. "
John M. Grunsfeld
Earth
Leave
Never
" The strangest thing I've found is that when I got to space, I felt more comfortable in space that I've ever been on Earth before. I just felt this is my home. "
John M. Grunsfeld
Comfortable
Home
More
" Asteroid detection, tracking, and defense of our planet is something that NASA, its interagency partners, and the global community take very seriously. "
John M. Grunsfeld
Defense
Seriously
NASA
" Here on Earth, we're exposed to asteroids hitting the Earth, eventual changes in the Sun, changes in the Earth's climate, things we're doing to the Earth's climate. If we want to survive, we need to become a multi-planet species. That's further down the road, but the first wave is going to be the explorers. "
John M. Grunsfeld
Doing
Sun
Need
" 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. "
John M. Grunsfeld
Sister
High School
School
" The Hubble Space Telescope, which was designed for extreme servicing, you know, we can fix everything. And the James Webb Space Telescope, where we can fix nothing. It has to work the first time. And it's a very complicated telescope. "
John M. Grunsfeld
Time
Work
You
" All indications are that three and a half billion years ago, Mars looked like Earth. It had lakes. It had rivers. It had river deltas. It had snow-capped peaks and puffy clouds and blue sky. Three and a half billion years ago, it was a happening place. The same time on Earth, that's when life started. So did life start on Mars? "
John M. Grunsfeld
Time
Sky
Clouds
" Hubble isn't just a satellite; it's about humanity's quest for knowledge. "
John M. Grunsfeld
Quest
About
Humanity
" If I could live in space, I would definitely do that. "
John M. Grunsfeld
Space
Would
If I Could
" 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. "
John M. Grunsfeld
Past
Home
Future
" Hubble showed us the marvel and majesty of stars being born. "
John M. Grunsfeld
Born
Hubble
Being
" We need to move off the planet. And Mars is the next best place. "
John M. Grunsfeld
Need
Move
Mars
" As soon as I could ride a bike... I was always riding over to the Museum of Science and Industry to explore. It's where I first began to develop a fascination with machines and scientific principles. "
John M. Grunsfeld
Ride
Bike
Museum
" 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
Moments
Universe
Stars
" The '60s were a remarkable time because several things were happening at once. Men were leaving planet Earth, kids were breaking into the television age, and I was able to see Neil Armstrong walking on the moon. "
John M. Grunsfeld
Age
Moon
Men
" I'm an incurable romantic. But I'm not an adrenaline junkie. "
John M. Grunsfeld
Incurable
Romantic
Adrenaline
" I believe that the future of humans, and the future of Earth, depends on space exploration. That's not a French problem, or a problem for Alabama: it's a planet-wide problem. International cooperation is crucial. "
John M. Grunsfeld
Earth
Believe
Future
" I have dedicated my life to answering the great scientific questions of our time and to the incredible adventure of space exploration. "
John M. Grunsfeld
Space
Time
Life
" A lot of people get home from work and sink into a good chair, the place in their life where they feel most comfortable. I get that comfort in space, the place where I most feel like I belong. "
John M. Grunsfeld
Work
Space
Home
" Sciences are being unified by the search for life in the universe. "
John M. Grunsfeld
Sciences
Universe
Search
" What we do at NASA is inspiring. It's reaching, it's visionary, and it inspires people on Earth to try hard things. "
John M. Grunsfeld
Try
People
Earth
" 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
Back
Space
Planet
" When people left on the Oregon Trail from St. Louis, they knew that only a fraction of them would make it to the West Coast. But they went anyway. "
John M. Grunsfeld
Only
West
Trail