HEATKEYS

Here you find information, links and applets concerning Energy Saving Lamps and Energy Saving Light Bulbs

Astronomy labs and teaching resources developed at the University of Nebraska-Lincoln. Includes simulations, flash animations, graphics, in-class questions and ranking tasks.

The NASA/IPAC Extragalactic Database (NED) provides a multi-wavelength fusion of data for millions of objects outside the Milky Way galaxy. The astrophysical objects covered in NED include galaxies, quasars and other active galactic nuclei (AGNs), g...