The purpose of this website is to make a collection of web acessable original documents, reviews, and online links to articles on topics including cosmology, particle physicis, and extragalactic astronomy. This website...

This collection of lecture notes discusses the fundamentals of astronomy. The lecture notes review the topics of celestial mechanics, light, matter, planets, telescopes, the sun, stellar astronomy, stellar evolution,...

Hosted by the National Institute of Standards and Technology (NIST), this article by W. Martin and W. Wiese introduces the basics of atomic structure and spectra. With regard to structure, there is an emphasis on...

Students build a working spectroscope to study the nature of light. (Younger students use a prism to learn about the rainbow.) The curriculum includes study guides for various grade groups, PowerPoints to explain...

This site from NOVA and PBS provides a simulation of the identification of elements in a star, a nebula, a planet, and a galaxy. The interactive resource allows a user to match individual spectral lines of seven...