A spiral nebula as a steller system
Subtitle: Messier 33
By: by Edwin Hubble ...
Series: Contributions from the Mount Wilson Observatory.; no. 310
Published: 1926
Place of publication: [Chicago
Language: eng
Number of pages: 39
Subjects: Nebulae.
Notes: Cover-title.
At head of title: Carnegie Institution of Washington.
"Reprinted from the Astrophysical Journal, vol. LXIII, 1926."