Related Resources

Astronomy Picture of the Day (APOD)

Gallery of Galaxy Images

The 2df Quasar Survey (Click on "Whole Survey Stacks", then "Rest Frame 20,000 QSOs")

AGN Images (Click on "Radio Galaxies")

Biographical Sketch of Astronomer Nicolaus Copernicus

Biographical Sketch of Astronomer Tycho Brahe

Biographical Sketch of Astronomer Galileo Galilei

Biographical Sketch of Astronomer Johannes Kepler

Biographical Sketch of Astronomer Sir Isaac Newton

Instruments of Astronomer Tycho Brahe

Sketches of Astronomer Galileo Galilei

A Multimedia Tour of the Solar System: One Star, Eight Planets, and More

Constants

Fundamental Constants and Planetary Data

Formation Movies by Professor Max Tegmark

Astrophysics Data System (ADS)

Astro-ph

Chandra X-Ray Observatory

NRAO Radio Images

Huygen's Principle Applet - Reflection and Refraction