Kepler-452b revolves around a sun much like our own.
December 22, 2008|
U.S. President-elect Barack Obama named more scientists to top posts over the weekend: Harold Varmus and Eric Lander will serve as co-chairs of the president's Council of Advisers on Science and Technology, headed up by Harvard physicist John Holdren. Jane Lubchenco, a marine biologist and former head of the AAAS, will also lead the National Oceanic and Atmospheric Administration (NOAA). These scientists are no strangers to our pages: Two years ago, Varmus, president of Memorial Sloan Ketterin