Dryden Research Aircraft Photo Gallery - Digital photos of many of the unique research aircraft flown at NASA DFRC at Edwards, California. 1940 to present with information on aircraft and programs.
The Exploration of the Earth's Magnetosphere - Home page of a detailed non-mathematical introduction to the research on the Earth's magnetic environment in space and its history. Contains master directory of more than 70 related text files.
Exploring the Moon - Detailed mission information on both Soviet and American manned and unmanned programs.
General Topics - for an Astro Physics course at Cornell (ASTRO201).
Heavens Above - Real-time satellite, ISS, and Space Shuttle orbital pass information, maps, and star charts.
Hubble Site - Hubble's Amazing Optics Site that tries to put a "good" spin on this amazing screwed up package of space optics. Why didn't some one check this?
Skeptic's Dictionary - Skeptical definitions and essays on occult, paranormal, supernatural and pseudoscientific ideas and practices with references to the best skeptical literature.
The Sky This Week - The USNO mission is to determine the positions and motions of celestial objects, to provide astronomical data, to measure the Earth's rotation and to maintain the Master Clock for the United States.