DR 19.3 - Cobb Learning
Galactic Thin Disk - Caltech Astronomy
Universe Discovery Guides: May - A Family Scrapbook of the Universe
Section 3 Practice Test
Rotation curves for galaxies: student activity
Recent Star Formation in Nearby Early-type Galaxies
The Scale of the Universe
The oxygen abundance deficiency in irregular galaxies
the milky way galaxy
Star Distances on a Map
spatially resolved properties of the stellar populations
study guide
Relativistic astrophysics and cosmology
Stellar systems: two-body relaxation
Types of Galaxies - BirdBrain Science
The Guide to the Galaxies
Warm and cold matter studied through high resolution X-ray
Views of Spiral Galaxies Views of our Milky Way
Lecture 18, Structure of spiral galaxies
LET`S MAKE A PORTRAIT OF A GALAXY Abstract
Globular Cluster Formation in CDM Cosmologies