Milky Way: Overview and History

• celestial sphere
  star trails in the south, north, extreme south, near equator
• The naked eye Milky Way:
  southern hemisphere, zoom to dark lanes
• Galileo: telescope
• Immanuel Kant
• William Hershel's model
• Charles Messier and his famous catalog
• Dreyer: New General Catalogue (NGC)
  zone of avoidance
• Jacobus Kapteyn's universe
• Harlow Shapley
• globular clusters, e.g., Omega Centauri M13, M53,
• globular cluster sky distribution orignial published versions here and here; update here
• E. E. Barnard and celestial "vacancies" (1907) (1910)
  dark clouds: in Aquila, Carina; Barnard 68
  infrared views HH 46/47, B68
• Trumpler: survey of open clusters like this, this, this, and this: results
• interstellar dust
  another example of scattering and absorption