Look! Up in the sky


  • Laura Lawson


Scientists at NASA's Jet Propulsion Laboratory (JPL) have discovered a unique object that may be either an unusual asteroid or an extinct comet. The object, designated 1996 PW, “is a misfit in the grand scheme of things,” according to Eleanor Helin, a planetary astronomer at JPL and the Near-Earth Tracking (NEAT) Program principal investigator.