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The Solar System, Planets, Asteroids and Comets
Produced by Teachers TV, as part of the Teaching Astronomy and Space series, this video looks at Saturn, its moons and finally on the risk of an asteroid colliding with Earth.
Planetary scientist Sheila Kanani shows vivid pictures of Saturn and its moons, taken from the Cassini spacecraft. She reveals what we know about the planet, how far away it is and how it compares to Earth.
Astronomer Jay Tate talks about asteroids and comets, explaining the dangers of an asteroid colliding into Earth and how their orbits can be tracked.
Classroom demonstrations provide ideas on how to teach about the scale of the solar system, elliptical orbits and why the sky is blue (scattering of light).
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