Virtual

Atlas of Nearby Stars - Experiments in Virtual Astronomy
Introduction, background, methodology, using the applet, results, discussion, conclusion, and references.
http://www.computing.edu.au/~bvk/astronomy/HET603/atlas/html/writeUp.html

Now Anyone Can Make a Discovery
Science Tuesday, an article.
http://www.space.com/scienceastronomy/astronomy/virtual_astronomy_011120-1.html

SkyView
Virtual observatory on the net generating images of any part of the sky at wavelengths in all regimes from radio to gamma-ray.
http://skyview.gsfc.nasa.gov/

Today From Space - The Cosmos
Picture of the day, Hubble pictures, and Chandra x-ray astronomy.
http://science.nasa.gov/newhome/pad/cosmos_today.htm

The Virtual Amateur Astronomer
Information and internet images of the Universe.
http://www.jupiterscientific.org/virtualastronomer/