HEATKEYS

University of Oregon Solar Radiation Monitoring Laboratory Web Site

YouTube is a place to discover, watch, upload and share videos.

The Space Weather Prediction Center, part of NOAA

Stellarium is planetarium software that shows exactly what you see when you look up at the stars. It

Online Lighting Diagram Creator for photographers

¡Bienvenido a Facebook en Español! Facebook es una herramienta social que pone en contacto a personas con sus amigos y otras personas que trabajan, estudian y viven en su entorno. Facebook se emplea para estar en contacto con amigos, cargar un núm...

OpenOffice.org: The Free, Open Source Office Suite

Sky & Telescope, the Essential Magazine of Astronomy. News, observing tips, how-to advice, and more!

Astrology Software and Professional Astrology Programs, Reports, Books, Gifts, Jewelry, Education, Services by Astrolabe Inc. the largest publisher of Computer Astrology titles related to Astrology and Horoscopes, Uranian Astrology, Symmetrical Astro...

Build It Solar will help people with Do It Yourself skills build solar projects that save money and reduce pollution. It is a "hands-on" site with detailed plans for solar projects including solar space heating, water heating, passive sola...