Ready References
A Guide to Backyard Astronomy
Time and the Amateur Astronomer
Latitude is Everything
Activity: Estimating Magnitudes
Activity: Observing Delta Cephei
Molding and Casting
Index Fossils
(2000).iso/amsci01/images/info24.jpg)
Ready References A Guide to Backyard Astronomy (2000).iso/amsci01/images/data24.jpg)
Time and the Amateur Astronomer Latitude is Everything (2000).iso/amsci01/images/observ24.jpg)
Activity: Estimating Magnitudes Activity: Observing Delta Cephei (2000).iso/amsci01/images/construct24.jpg)
Molding and Casting Index Fossils