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This 28-minute film was created to explain how our current understanding of the Milky Way was reached using many different wavelength of the electromagnetic spectrum. Please note, the link is to a direct download of the video; this is a large file -... (View More)

Audience: High school
Materials Cost: Free

This article contains a series of kinesthetic activities, explaining and demonstrating why stars twinkle and what astronomers can do to minimize it. The activities can be used to demonstrate how Earth's atmosphere distorts starlight and how advanced... (View More)

Audience: Middle school, Informal education
Materials Cost: Free

Gamma-ray bursts are distant explosions that briefly outshine the rest of the gamma-ray universe. In this lesson, students will follow the same procedures used by today's astronomers to determine two basic facts about gamma-ray bursts: their... (View More)

This interactive, computer-based activity presents a series of inquiries that allow students to discover how the colors, masses, and luminosities of stars are related. Students also investigate how these characteristics influence the life cycle of... (View More)

Audience: High school
Materials Cost: Free
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