Skywatch

  • December 3, 2009

    Episode 251: More Exoplanets!

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    Shownotes

    A survey of a carefully selected list of stars has turned up 32 new planets beyond our solar system. An instrument called the High Accuracy Radial Velocity Planet Searcher (HARPS) in La Silla, Chile, provided the information after a five-year effort. Several stars appear to have multiple planetary systems, and a number of super-Earths, planets a few times the mass of Earth, were located.