Physics — Life Cycle of a Star

digraph StarLife {
  rankdir=LR;
  node [shape=box, style=rounded];
  Nebula -> Protostar -> "Main sequence";
  "Main sequence" -> "Red giant" [label="low mass"];
  "Main sequence" -> "Red supergiant" [label="high mass"];
  "Red giant" -> "White dwarf" -> "Black dwarf";
  "Red supergiant" -> Supernova;
  Supernova -> "Neutron star";
  Supernova -> "Black hole";
}