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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. "
John M. Grunsfeld
Try
People
Earth
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" Hubble showed us the marvel and majesty of stars being born. "
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" We need to move off the planet. And Mars is the next best place. "
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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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" 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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" 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. "
John M. Grunsfeld
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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 don't particularly want to jump out of an airplane with a parachute if I don't have to. I don't want to go bungee jumping. I like adventure with a real purpose that I can buy into. "
John M. Grunsfeld
Purpose
Adventure
Jump
" Sciences are being unified by the search for life in the universe. "
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Universe
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" 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
" Getting a team of scientists on Mars could be transformative. "
John M. Grunsfeld
Transformative
Mars
Team
" The moon's a nice place to visit, but you wouldn't want to live there. "
John M. Grunsfeld
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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. "
John M. Grunsfeld
Time
Life
Mission
" I'm an incurable romantic. But I'm not an adrenaline junkie. "
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Incurable
Romantic
Adrenaline
" 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
Quest
Space
Explore
" 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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Astronauts
Medical
Feel
" 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
" The team at the Space Telescope Science Institute has a demonstrated record of meeting the high-performance challenges of operating the Hubble Space Telescope and preparing for the James Webb Space Telescope. "
John M. Grunsfeld
Space
Hubble
Challenges
" 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
Humanity
Science
Dream
" 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. "
John M. Grunsfeld
Work
Teacher
Love
" 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
" 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
" A deep ocean under the icy crust of Ganymede opens up further exciting possibilities for life beyond Earth. "
John M. Grunsfeld
Life
Ocean
Possibilities
" Only by studying large numbers of people can we figure out, are astronauts dying at a higher rate of cancer, and what types of cancers, than other people? "
John M. Grunsfeld
People
Studying
Dying
" 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
" Life outside of Earth is probably going to be really hard to find. "
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Find
Earth
Going
" I got lucky and got assigned to Hubble. "
John M. Grunsfeld
Hubble
Got
Assigned
" 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. "
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Only
West
Trail
" There are some things worthy of risking your life for. "
John M. Grunsfeld
Things
Some
Your
" Hubble uniquely has been able to look in the atmosphere of a planet orbiting a nearby star and figure out what's in that atmosphere. "
John M. Grunsfeld
Look
Out
Planet
" I can't imagine anywhere I'd rather be than outside the space shuttle in my space suit next to the Hubble Space Telescope. "
John M. Grunsfeld
Suit
Outside
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