Curated OER
The Electromagnetic Radiation (Light ~ the Supreme Informant!)
This short slide show applies the electromagnetic spectrum to astronomy. First, electromagnetic radiation is introduced to viewers. Wavelength is defined and its unit of measurement explained. Finally, aspiring astronomers find that the...
Curated OER
The Spectrum of a Star
Tenth graders identify stars based on their line spectra. In this astronomy lesson, 10th graders analyze spectrograph and determine the elements present in the star. They explain the relationship between temperature and star classes.
Curated OER
Starlight, Star Heat
In this stars activity, students read how astronomers calculate the temperature of a star by measuring its color. Students use a chart showing star temperatures and colors to complete 3 short answer questions.
University of California
Interactive Extreme Ultraviolet Skymap
A map showing a view of the night sky is given; sources of extreme ultraviolet light are marked. Visitors analyze the spectrum from these parts of the sky and attempt to determine which star type the spectrum most closely resembles.