I’ve been hearing about the “comet of the century” ISON. What’s the big deal?

Question Answered by Dr. Brian Tonks, Astronomy Professor, BYU-Idaho A group of astronomers from the “International Scientific Optical Network” (ISON for short) discovered Comet ISON on 12 Sept 2012.  When first discovered, the comet was much brighter than scientists expected for being well beyond Jupiter’s orbit.  Astronomers quickly measured its path and calculated it orbit. …