This site is based on Fred Espenak's poster presentation at the Scientific Frontiers in Research on Extrasolar Planets conference in 2002. In this presentation, Espenak explores the transit of the planet Venus across...

This website, authored by Douglas Haig of the University College-London, contains information for students unfamiliar with the cosmic microwave background. It first discusses the Big Bang, then it explains inflation,...

Created by Paul Falstad, this page compares the distance/magnitude/size of various objects or constants. This includes physical dimensions such as the diameter of particles, atoms and biological cells, the height of Mt....

This website, created by Lindsay Marie Bartolone at Princeton University, gives astronomy teachers labs and activities for their students that meet the requirements of the Core Curriculum Content Standards of the State...

This web page, authored and curated by David P. Stern, provides a non-mathematical introduction to modern magnetometers that depend on the saturation of magnetic materials. Applications include the observation the very...

The Abrams Planetarium, located at Michigan State University, has this homepage that describes various aspects of the outreach program created by the establishment. In addition, the page provides links to many other...

Academic Earth provides videos of lectures by top scholars in "Subjects" that range from Astronomy to Entrepreneurship to Religion, from "Universities" as celebrated as MIT, Berkeley, Harvard, and Stanford. Visitors...

Act360 Media Ltd seeks to assist instructors as they transition from a more traditional classroom to a multimedia curricula, whether the topic is science, math, English, or social studies. To that end, actDEN provides...

This resource covers Seyfert galaxies, radio galaxies, BL Lacertae (BL Lac) objects, quasars, supermassive black holes, determining masses in galactic centers using the virial theorem, and a model for active galactic...

The book, Sorbjan, Z (1996):Hands-on Meteorology, published by the American Meteorological Society, is an excellent source of ideas for teachers to use in the classroom. However, no book can be complete, so this web...