Cosmic Log - Millions of Earths? Talk causes a stir

Cosmic Log - Millions of Earths? Talk causes a stir: "Alan Boyle writes: A leader of the Kepler planet-hunting team has created a slow-moving scientific stir by telling an audience at a high-tech conference that our galaxy could harbor 100 million Earths, based on the space mission's raw data. The resulting buzz focuses not only on the findings, but also on the means by which they came to light."