“Astronomers will announce major findings about planets outside our solar system, known as extrasolar planets, at a NASA Science Update at 3 p.m. EST today.” So says a media advisory just out from the agency. NASA TV plans to carry the event, which will discuss discoveries made by the Spitzer Space Telescope. The panelists:

  • Dr. Drake Deming, chief, planetary systems laboratory, NASA’s Goddard Space Flight Center, Greenbelt, Md.
  • Dr. David Charbonneau, assistant professor of astronomy,
    Harvard-Smithsonian Center for Astrophysics, Cambridge, Mass.
  • Dr. Alan Boss, staff research astronomer, Department of Terrestrial Magnetism, Carnegie Institution of Washington
  • Dr. Kim Weaver, moderator; Spitzer program scientist, NASA’s Science Mission Directorate, Washington.