A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2020; you can also visit the original URL.
The file type is
Interacting Galaxies? When the vast distances to galaxies were understood in the 20th century, galaxies were considered to be forming and evolving in isolation  . However, irregulars were discovered that did not fit anywhere on the Hubble "tuning fork"  . In an early general description of the classification program -Galaxies (1943), Shapley suggested that these "frankly pathological types" of deformed galaxies might be due to collisions. His comment was based on Holmberg's (1941) paperdoi:10.6084/m9.figshare.1165526.v1 fatcat:blk5l5b26fcmzij5zil72jueha