Tag: Francois Fressin

  • Nation & World

    Search for Earth’s twin shows promise

    The quest for a twin Earth is heating up. Francois Fressin, of the Harvard-Smithsonian Center for Astrophysics (CfA), presented the new analysis of Kepler data that shows that about 17 percent of stars have an Earth-sized planet in an orbit closer than Mercury.

    3 minutes
  • Nation & World

    Alien worlds, just like home

    Harvard astronomers, working as part of NASA’s Kepler mission, have detected the first Earth-sized planets orbiting a distant star, a milestone in the hunt for alien worlds that brings scientists one step closer to their ultimate goal of finding a twin Earth.

    2 minutes