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Subtopic: Light

Change grade range

Resource	Grade Level	Media Type
Astronomical Images in Different Wavelengths Visible light is just one portion of the electromagnetic spectrum that a telescope may detect. This collection of images produced for Teachers' Domain features radio wave, infrared, visible light, and X-ray images of distant stars and galaxies as well as images of the telescopes designed to detect the various wavelengths of radiation.	6-12	Flash Interactive
Gallery of Auroras View this stunning collection of auroral displays from NOVA Online to find out why auroras appear in different colors and shapes and whether they occur on other planets.	3-12	Flash Interactive
Light Years This video segment adapted from Shedding Light on Science describes how astronomical distances can be measured in units of light-years, and how the finite speed of light allows astronomers to study how the universe looked long ago.	5-12	QuickTime Video