- Links to useful astronomy resources, including satellite and comet tracking, space exploration, observatories, world space agencies, education, software and photographs.
- Specializes in white dwarf studies. Includes curriculum vitae and research articles. Professor of Astronomy and Astrophysics at Villanova University.
- Links to news, what's up, research, institutions, observatories, history of astronomy, and astronomy as a hobby, by Prof. J.S. Tenn, Sonoma State University.
- Specializes in mathematic analysis of astronomical data. Chairperson and professor of Astronomy at Villanova University. Includes education background and research.
- CCD Astrophotography images of nebulae, galaxies, planets and star clusters. Each image contains educational information about the object with links for further research.
- Information on research projects primarily dealing with variable stars (XX Leo eclipsing binary star, SMC variable stars, novae). Provides links to a growing number of astronomy, space, and science related sites.
- An easy-to-use site providing daily updated news with pictures and weather pages, as well as a shop where you can buy books, scopes, and accessories.
- A visiting associate professor in Tapir,India. Currently, working on problems related to the physics of magnetized, fully ionized plasmas. Includes lecture notes and curriculum vitae.
- Research astronomer at Armagh Observatory in Northern Ireland. Specializes in studying stellar structures. Includes publications, essays, research projects, related software, and biographical background.
- Assistance professor at Indiana University Bloomington. Specializes in the study of star formation history and evolution of dwarf galaxies. Includes list of publications.