Daily Archives: November 10, 2013

  • Survey says….

    You may have heard the news, announced earlier this week, about the presence of tens of billions of habitable planets in our galaxy. This is big news for two reasons: one is related to the simplest astronomy one can do; the other is related to astronomy so difficult and complicated we don’t even know how to do it yet. (But we’re working on it.)

    But before we get to that, let’s set the stage with an analogy. You can think of the Kepler mission as a poll of the stars in the sky. In a poll, you sample a subset of