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" Our solar system is actually a wild frontier, teeming with different, diverse places: planets and moons, millions of objects of ice and rock. "

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" An asteroid impact in the worst case scenario is a terrifying thing. It seems very uncontrollable: in popular culture, it's often a metaphor for human powerlessness over the world. "

" Becoming a scientist is a long journey, and at every step, I found projects that were exciting, motivating me to continue. My path was not straightforward - when I began studying physics in college, I had no idea I would end up studying asteroids; in fact, I never took an astronomy class. "

" If I go and buy a coffee, and somebody asks me what I do, I'll say, 'I find asteroids.' And the first thing they always do is make a Bruce Willis joke, or they are going to bring up Armageddon. "

" One of the reasons NEOWISE is so valuable is that it sees the sky in the thermal infrared. That means that instead of seeing the sunlight that asteroids reflect, NEOWISE sees the heat that they emit. This is a vital capability, since some asteroids are as dark as coal and can be difficult or impossible to spot with other telescopes. "

" Most astronomical work has to do with things that are very, very far away and don't affect our lives very much. "

" If we found a hazardous asteroid, we could nudge it out of the way. "

" Astronomers are using every technique at their disposal to discover and study asteroids. "

" I think every time we send a spacecraft to an asteroid or comet, we learn more. "

" People have discovered asteroids in the Main Belt that outgas like comets, and things on cometary orbits that no longer outgas - that don't have tails. We're finding all of these unique cases. "

" I think that, a lot of times, people have this idea that the solar system is entirely explored, that we have sent spacecraft to every planet, we've taken beautiful pictures of everything, and that it's kind of done. "

" Asteroids are our oldest and most numerous cosmic neighbors. "

" NEOWISE has two goals: One is to characterize asteroids, figure out how big and how bright they are, really basic information about these bodies; and we also find asteroids. "

" I think the public perception about asteroids is that they're kind of metaphors for acts of God, the fact that we have no control over the universe. They're always seen as these uncontrollable events. But when you look at the science, they're actually the exact opposite. "

" I think Dawn has done an amazing job showing that asteroids aren't just hunks of rock. They're worlds - they're places an astronaut can explore. I think the Rosetta mission also did an amazing job of that. "

" We've actually named asteroids for other famous women in history, like Rosa Parks, Harriet Tubman, and Sojourner Truth. But it's really this Malala one that's catching people's attention. "

" The best thing to do is to study these asteroids so we know the range of parameters we would have to deal with and also to find them so we have as much time as possible to prepare. "

" There's been a lot of really great intensive research into earthquakes, but we can't predict an earthquake down to the day. We can't predict where a hurricane is going to be a month in advance. "

" There are all these interesting rules about asteroid nomenclature. Once you discover it, you have the right to name it, but there's a catch. "

" An asteroid impact is a preventable natural disaster. It's in part preventable because we have the technology, and it's in part preventable because it's predictable. "

" Certainly what happened to the dinosaurs was not good - that was a terrible day for the dinosaurs, very sad. But I have to say, there are a lot of threats we face as people and, as someone who lives in Los Angeles, I'm personally more likely to die from driving on the freeway than I am from an asteroid, so you have to put that risk in perspective. "

" The basic method to find asteroids hasn't changed much in hundreds of years. So asteroids in a telescope look just like stars with one exception: They move with time. "

" If you were to stand on an asteroid in the main belt of asteroids between Mars and Jupiter in our solar system, you might be able to see one or two asteroids in the sky, but they would be very far away and very, very small. So you wouldn't have this 'dodging through tons of rocks' business you get in the movies. "

" It has only been within my lifetime that asteroids have been considered a credible threat to our planet. And since then, there's been a focused effort underway to discover and catalog these objects. I am lucky enough to be part of this effort. I'm part of a team of scientists that use NASA's NEOWISE telescope. "

" There are physical bodies, physical worlds that astronauts could visit, that we haven't found yet. Especially, there's these close approaches of asteroids. They pass within geosynchronous orbit sometimes, and they pass within the Earth and the moon. "