"The Universe" series season II episode I from the History Channel's website:
"They are the crown jewels of the galaxy. Neither stars, planets, moons or asteroids, they are the mysterious clouds of gas we call NEBULAS. Nearly invisible to the naked eye, astronomers use the most sophisticated techniques to tease images of these fascinating phenomena from the dark sky. When revealed in their full glory, they glow, reflect or obscure the galaxy's light."
This video activity can be used to review concepts in Astronomy Unit VII "Stars and Nebula" or in the Earth/Space Unit XIV "Stars and Galaxies." The episode explains the five main types of nebulae; how they form and how stars create and are created by nebula clouds. Worksheet activity contains questions that students can answer in order while watching the video. Answer key included. The episode link to youtube is provided in the title if the video is not available on tape or DVD.
Terms/concepts in the video include:
Horse head nebula
Pillars of Creation
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