Astronomy
8A - Planetary Astronomy
| 8A 10.10 - Heliocentric Model:
Demonstrates: Planets revolving around the sun. Description: A simple model of our solar system. |
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8A 10.20 - Pulsar:
Demonstrates: How a pulsar works. Description: A ball has a point light source inside. When the ball rotates the beam "pulses". |
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8A 10.25 - Sun, Moon & Earth:
Demonstrates: The Earth's orbit around the Sun causes seasons and Moon's orbit causes phases. Description: A spotlight represents the Sun, a white Styrofoam ball is the Moon and an Earth ball rounds out the trio. |
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8A 10.55 - Retrograde Motion:
Demonstrates: Demonstrates the "backward" motion of some planets. Description: Rings rotate and the laser beam moves back and forth showing retrograde motion. |
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8A 10.80 - Celestial Sphere Model:
Demonstrates: The concept of the celestial sphere. Description: A celestial globe with Earth at the center. |