Some links:
- Scholar: Astronomical Teaching Texts at the MAA
- Online Astronomy Course (middle/highschool)
- Astronomy Primer of the Peoria Astronomical Society
- Bright Star Catalog at the MAA
- Spectra of Stars collection
- Galactic Cepheid Database
Hartmut Frommert
Christine Kronberg
[contact]
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Last Modification: February 22, 1998