great comet

  • Hubble Confirms Huge Incoming Comet Has Largest Known Nucleus

    Hubble Confirms Huge Incoming Comet Has Largest Known Nucleus

    A comet with a nucleus larger than Rhode Island has been on a journey toward the Sun for more than a million years. In February, researchers found that the comet is 136 km wide, and new observations from NASA’s Hubble Space Telescope now confirm that this is in indeed the largest comet nucleus ever observed,…