The Bautz-Morgan classification was developed in 1970 by Laura P. Bautz and William Wilson Morgan to categorize galaxy clusters based on their morphology.
Köppen climate classification | Morgan Stanley | Morgan Freeman | J. P. Morgan | Piers Morgan | British undergraduate degree classification | Morgan Tsvangirai | John Hunt Morgan | Morgan Spurlock | Morgan | British Board of Film Classification | J.P. Morgan & Co. | Harry Morgan | Frank Morgan | Dennis Morgan | Morgan County | Lorrie Morgan | Henry Morgan | Tracy Morgan | Morgan horse | Morgan Fairchild | Michèle Morgan | Augustus De Morgan | Dennis Morgan (songwriter) | Thomas Hunt Morgan | Rhodri Morgan | Points classification in the Vuelta a España | Mountains classification in the Giro d'Italia | Morgan State University | Morgan's Raid |