HEATKEYS

The Astronomical Applications Departmentof the U.S. Naval Observatory computes, from fundamental astronomicalreference data, the position, brightness, and other observablecharacteristics of celestial bodies, as well as the circumstancesof astronomica...

This site includes lots of information that is time and date related, such as yearly and monthly calendars, countdown counters and the world clock which shows current time in cities all over the world.

Stargazing Network provide free Web page hosting for the Amateur Astronomy Community. Stargazing Network is sponsored by Cetus Technology at www.cetus.net.

A software library that brings you the best software and most in-depth reviews. Regular promotional offers let you get commercial software for free.

Help build the most comprehensive human-reviewed directory of the web

Excel Software Informer. Featured Excel free downloads and reviews. Latest updates on everything Excel Software related.

The Naked Scientists, online, internet science radio show PODCAST. Contains science articles, online science discussion forum, interviews with famous scientists, science book reviews and free MP3 downloads including internet science radio shows and s...

This is NASA

The Renewable Resource Data Center Web (RReDC) site provides publications, data, and maps on biomass, geothermal, solar radiation, and wind resources in the United States.