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" Being an astronaut, there are not a lot of things that have really shocked me in my life. "
John M. Grunsfeld
Life
Things
Really
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" 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
" Science at NASA is all about exploring the endless frontier of the Earth and space. "
John M. Grunsfeld
Space
Earth
Exploring
" 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. "
John M. Grunsfeld
Mother
Chance
Age
" I'm an incurable romantic. But I'm not an adrenaline junkie. "
John M. Grunsfeld
Incurable
Romantic
Adrenaline
" 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
" If I could live in space, I would definitely do that. "
John M. Grunsfeld
Space
Would
If I Could
" 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
" 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
" Hubble isn't just a satellite; it's about humanity's quest for knowledge. "
John M. Grunsfeld
Quest
About
Humanity
" Because of Hubble and other telescopes, we've now discovered that there are probably planets around every star, or virtually every star. There are solar systems around most stars. And the fact that we're here on a planet, Earth, means that it's likely there's lots of other Earths out there. "
John M. Grunsfeld
Star
Now
Solar
" 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. "
John M. Grunsfeld
Science
Space
Power
" The truth is, every single rocket launch off of planet Earth is risky. "
John M. Grunsfeld
Launch
Earth
Rocket
" 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
" The most striking thing to me about human space flight and my own personal experience is that I've seen dramatic changes on Earth. We humans are rapidly changing the planet. I've watched Amazonia as the rainforest has been cut down. That's something I've seen out the window. I'm very worried about that. "
John M. Grunsfeld
Me
Window
Space
" 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. "
John M. Grunsfeld
Space
Always
Drive
" There are some things worthy of risking your life for. "
John M. Grunsfeld
Things
Some
Your
" The moon's a nice place to visit, but you wouldn't want to live there. "
John M. Grunsfeld
You
Moon
Live
" 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
" 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. "
John M. Grunsfeld
Us
Find
Intention
" I grew up on the south side of Chicago in the 1960s, and I think there was a synchronicity of events that inspired me to be an astronaut, and, of course, the backdrop is nothing less than Mercury, Gemini, and Apollo. That was a time in our nation where we aspired to great things, and we achieved them. "
John M. Grunsfeld
Chicago
Me
Nothing
" 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
Next
" 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. "
John M. Grunsfeld
Situation
Know
Sun
" I look forward to working with the NASA team to help enable new discoveries in our quest to understand our home planet and unravel the mysteries of the universe. "
John M. Grunsfeld
Help
Home
Look
" Life outside of Earth is probably going to be really hard to find. "
John M. Grunsfeld
Find
Earth
Going
" 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
" 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
" 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
" 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
" 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
Structure
Interior
" 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
Radiation
Gone
Light