Note: requires large audio cart to play in lecture halls.
Illustrate the globe Read More
Demonstrate how the radius of the earth can be measured using trigonometry.
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Illustrate how a crater forms as a result of an impact or a blast from below.
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Mass driver and ring heater show coronal holes and coronal heating.
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Demonstrate how nuclei attract each other if they come close enough together.
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Show how sunspots are darker than their surroundings due to lower temperatures.
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Show the relationship between the phases of the moon and the relative earth-sun-moon positions. Read More
Illustrates shadow umbra and penumbra Read More
Show umbra and penumbra with an extended source, as in an eclipse.
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Identify the source of penumbra regions.
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Illustrate the approximate angular disposition of the planets around the sun.
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Illustrate the epicycle nature of Ptolemy's model of the solar system
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Demonstrate the observation of another planet as seen from the earth.
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Demonstrate the sun-earth-moon spatial relationship and related concepts..
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Illustrate the relative sizes of the planets Read More
Demonstrates how density stratification (differentiation) in interior of planets occurs.
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Visualize the Platonic solids and Kepler's dream for using them to explain planetary orbits.
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Illustrate some relationships between the earth, the sun, and certain heavenly bodies
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Show how a telescope can view any point in the sky using a universal mount.
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Show the apparent motion of the night sky.
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Illustrate the orbital motion of a binary star system.
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Show how we view a rotating binary star.
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Illustrate the orbits of stars in an eclipsing binary.
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Show how air currents cause the "twinkling" of a star.
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Illustrate why a planet does not "twinkle" like a star.
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Show the changing field pattern from a rotating dipole.
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Illustrate beaming pattern of pulsars and pulsed binary X-ray sources.
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Model gravitational collapse.
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Provides models for hydrogen burning to produce helium in stars via the proton-proton chain.
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Shows how rays are focused by a standard reflecting telescope. Read More
Illustrate our galaxy.
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Show that "permanent" spiral structure can exist as a wave which moves independently from the fluid
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Demonstrate the concept of the expansion of the universe.
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