Curated OER
Taking the Measure of the Universe
Four fabulous activities immerse amateur astronomers into measuring objects that we cannot handle. The experiences are applied to NASA's Space Interferometry Mission, which will take measurements of planets around stars other than our...
Curated OER
X-Ray
A striking PowerPoint that presents the Yohkoh Telescope, some information about its construction, and the amazing x-ray images of the sun that have been captured. Specific information about the electromagnetic phenomena is given. This...