Milky Way mapping

(Every so often I read the writing of someone whose skills bring an idea or set of facts into focus with the kind of clarity that’s both rare and awe-inspiring. Today’s entry describes a recent example.) I have to tell you about a fascinating article I read in the February 2024 edition of Scientific American. It’s about the shifting character of the Milky Way. (See the link below.) The pieceMORE...