Michael Brown: The Solar System and the Distant Dwarfs

  • Scientists have developed new formulas for determining the materials that compose extrasolar planets.
    more...
  • 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?"
    more...
  • 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.
    more...
  • 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.
    more...
  • 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.
    more...