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" It's very clear that global climate change is occurring on earth, but it's also been very clear that that has always happened on earth. We've always had a changing climate on earth. We all know about ice ages. We know when our continent was covered with ice sheets. We know glaciers come and they go. It puzzles me that people forget that. "

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" You make sure you broaden yourself and have a good solid background in many different things. That's what you need to be a good scientist. "

Heidi Hammel

You

Yourself

Need

" Technological prescience in science fiction usually requires an author with luck. Societal prescience requires a poet. "

" Being insignificant statistically doesn't mean it's right or wrong. It just means you don't have enough data to show yes or no. "

" There's this myth that science is hard. But everything is hard. "

" I'm happy here on the surface of the earth. If space travel ever got to be as simple as jet travel today, yeah, I'd take a jet flight to the moon. "

" I think we need to be very careful if we want to do things like further modify our atmosphere. And similarly, I think we need to be very worried about unintentional modification, which is basically what's been going on. "

Heidi Hammel

Things

Need

" We need to know math to be a good scientist, but math is a language, and we need to learn the language because that's the language of science. "

" Scientists normally like to do experiments. You know, they like to mix this with that and see what happens. They like to take this thing and poke it and see how it reacts. In astronomy, we can't do that. The stars, the planets, the galaxies, are so far away that we just look at them, and we have to learn things by looking at them. "

" Amid apocalyptic dystopia, 'Fahrenheit 451''s protagonist retains sparks of curiosity, creativity, and courage, and these human characteristics are the seeds of hope that can arise, phoenix-like, from civilization's ashes. "

" I think religion and science operate in different regimes. Religion is a belief system that tries to give meaning and comprehension to peoples' lives. Science is more about the mechanics of the universe around us and the way in which it works. And I don't think those things have to be mutually exclusive. "

" The Hubble program has been so fantastically successful. It's more than what anyone expected. "

" People have this idea that if you're not brilliant like Einstein, you can't be a scientist. And that's just a myth. He was the one out of a million scientists, but there were 999,999 other scientists who were not as brilliant but who just do great science, as well. "

" When I first heard that a comet was going to hit Jupiter, my reaction was, 'Eh. So what? Jupiter's huge. Comets are small. And so when I saw the first impact site and it was huge and dark, I was flabbergasted. "

" We don't use Hubble to stare at Jupiter unless there's a special event or some special reason. "

" Neptune's unusual behavior is showing us that though we can make great models of planetary atmospheric circulation, there may be key pieces missing. "

" Ultimately, life is a chemical interaction. "

" Every observation that we make, every mission that we send to various places in the solar system is just taking us one step further to finding that truly habitable environment, a water-rich environment. "

" When I was in college, I didn't like physics a lot, and I really wasn't very good at physics. And there were a lot of people around me who were really good at physics: I mean, scary good at physics. And they weren't much help to me, because I would say, 'How do you do this?' They'd say, 'Well, the answer's obvious.' "

" Even after years of observing, a new picture of Uranus from Keck Observatory can stop me in my tracks and make me say, 'Wow!' "

Heidi Hammel

Years

New

" I think the only way that the U.S. human spaceflight program is going to get really revitalized, really put sort of an Apollo level push on it, is if some other country, perhaps China, were to actually have a landed flight to the moon and brought back our American flag and put it in Tiananmen Square. "

" Webb will return extremely interesting measurements of chemistry in the Martian atmosphere. And most importantly, these Mars data will be immediately available to the planetary community to enable them to plan even more detailed Mars observations with Webb in future cycles. "

" We live inside the atmosphere of an active star. "

" Together, NASA and Hubble are opening new vistas on the universe. "

" Hubble made my career. "

" Hubble is absolutely unique; we must have a telescope in space to complement the very large telescopes on the ground. "

" The thing about telescopes is that the mirror is the main component. Once that's built, you don't need to build new ones; you just need to swap out the instruments. There's nothing wrong with Hubble's mirror. "

" Hubble wasn't designed to look at objects in our solar system, but after it was launched, astronomers realized that with just a little bit of modification to the software, it could look at solar system objects. "

" It's clear that the only thing that is inhibiting us from doing further human exploration of space is money and the will to do it. "

" We really have only been observing Neptune with big telescopes since shortly before 1989. "

" The Hubble Telescope can see the farthest galaxies. The Webb Telescope will see the farthest stars. "