8A Planetary Astronomy
8A05 Historical Astronomy
8A10 Solar System Mechanics
8A10.15Solar system model.
8A20 Earth Moon Mechanics
8A30 Views From Earth
8A35 Views From Earth 2
8A40 Planetary Properties: Globes, Hemispheres, & Maps
8A40.15Vault of the heavens: Large lucite globe.
8A50 Planetary Properties 2: The Planets
8A60 Planetary Properties 3: Planetoids, Minor Objects
8A70 Planetary Properties 4: Planetary Characteristics
8A80 Planetary Properties 5: Comets And The Search For Life
8B Stellar Astronomy
8B10 The Sun
8B20 Stellar Spectra
8B30 Stellar Evolution
8B40 Black Holes
8B50 Stellar Miscellaneous
8C Cosmology
8C10 Models of The Universe
8C20 Gravitational Effects
8D Miscellaneous
8D10 Miscellaneous Astronomy
8E Astronomy Teaching Techniques
8E30 Techniques and Projects
