Lecture

  • Questioning Dwarfs
    In the final part of this five-part lecture given at NASA´s Jet Propulsion Laboratory, Michael Brown answers questions from the audience. Questions include "Why did the name of Xena get changed to Eris?" and "Could there be another undiscovered planet in our solar system?"
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  • Studying Dwarf Planets
    In this lecture, Michael Brown talks about Eris, the dwarf planet he discovered, and discusses other intriguing findings in the farthest reaches of our solar system.
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  • The Discovery of Eris
    In this lecture, Michael Brown talks about his discovery of the dwarf planet, Eris. He also explains how scientists take a tiny point of light in the night sky and figure out how big it really is.
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  • Hunting Distant Dwarfs
    In this lecture, Michael Brown talks about the discovery of Pluto in 1930, and explains how scientists today find other distant objects in the Kuiper Belt.
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  • Managing Mars Missions
    At the Viking anniversary celebration, Michael Meyer provided an overview of upcoming missions to the Red Planet. Like Viking thirty years ago, these future missions aim to improve our understanding of Mars and its potential for life.
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  • Exploring Earth and Mars
    At the recent anniverary celebration for the Viking mission, Michael Meyer discussed how the history of exploration directs our efforts to learn more about Mars.
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  • Titan's Rocks of Ice
    Saturn's giant moon Titan is so cold that, on its surface, water is as hard as a rock - literally. Chris McKay, a planetary scientist at NASA Ames Research Center, recently gave a public lecture, sponsored by the Planetary Society, about what scientists have learned
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  • Titan’s Rocks of Ice
    Saturn's giant moon Titan is so cold that, on its surface, water is as hard as a rock - literally. Chris McKay, a planetary scientist at NASA Ames Research Center, recently gave a public lecture, sponsored by the Planetary Society, about what scientists have learned
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  • Titan: Greenhouse and Anti-greenhouse
    Earth, Mars and Venus all have greenhouse effects. So does Saturn's giant moon Titan. But Titan also has an anti-greenhouse effect. Chris McKay recently gave a public lecture, sponsored by the Planetary Society, in which he talked about the scientific results of the Cassini-Huygens mission
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  • Titan Weather: Cloudy Every 15 Years
    There is only one moon in our solar system that has clouds, Saturn's giant moon Titan. Chris McKay, a planetary scientist at NASA Ames Research Center, recently gave a public lecture, sponsored by the Planetary Society, about what scientists have learned about Titan from the
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