In September 1999, the Lincoln Near Earth Asteroid Research (LINEAR) project discovered a comet – Comet C/1999 S4, or Comet LINEAR – on a course for the Sun. Its unusual behavior drew attention: By July 5-7 of the following year, the Hubble Space Telescope had watched a piece of its crust blow off as if Continue reading "July 26, 2000: Comet LINEAR disintegrates" The post July 26, 2000: Comet LINEAR disintegrates appeared first on Astronomy Magazine .