Black holes and the supermassive compact object at the Galactic center:
  multi-arts of thought and nature
  This is an invited commentary on the Nobel Prize in Physics 2020 which was
awarded to Roger Penrose "for the discovery that black hole formation is a
robust prediction of the general theory of relativity," and Reinhard Genzel and
Andrea Ghez "for the discovery of a supermassive compact object at the center
of our galaxy."
