Explore Books on
39.41 extragalactic systems
1-4 of 4 Books
View Penetrating bars through masks of cosmic dust By David L. Block 
Penetrating bars through masks of cosmic dust
By David L. Block
View A revised Shapley-Ames catalog of bright galaxies By Allan Sandage 
A revised Shapley-Ames catalog of bright galaxies
By Allan Sandage
View Active galactic nuclei By Nato Advanced Study Institute on Active Galactic Nuclei University of Cambridge 1977. 
Active galactic nuclei
By Nato Advanced Study Institute on Active Galactic Nuclei University of Cambridge 1977.
View A master list of nonstellar optical astronomical objects By Robert S. Dixon 
A master list of nonstellar optical astronomical objects
By Robert S. Dixon