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Astronomy Fundamentals


E2-48: NON-TWINKLING PLANET

Category: E2 Astronomy

Purpose: Illustrate why a planet does not "twinkle" like a star.

E2-47: TWINKLING STAR

Category: E2 Astronomy

Purpose: Show how air currents cause the "twinkling" of a star.

E2-43: ROTATING STAR FIELD

Category: E2 Astronomy

Purpose: Show the apparent motion of the night sky.

E2-34: BASIC ORRERY (PLANETARIUM)

Category: E2 Astronomy

Purpose: Demonstrate the sun-earth-moon spatial relationship and related concepts..

E2-33: RETROGRADE MOTION

Category: E2 Astronomy

Purpose: Demonstrate the observation of another planet as seen from the earth.

E2-31: SOLAR SYSTEM MODEL

Category: E2 Astronomy

Purpose: Illustrate the approximate angular disposition of the planets around the sun.

E2-24: UMBRA AND PENUMBRA - COLOR FILTERS

Category: E2 Astronomy

Purpose: Identify the source of penumbra regions.

E2-23: UMBRA AND PENUMBRA - EXTENDED SOURCE

Category: E2 Astronomy

Purpose: Show umbra and penumbra with an extended source, as in an eclipse.

E2-02: MEASUREMENT OF RADIUS OF EARTH

Category: E2 Astronomy

Purpose: Demonstrate how the radius of the earth can be measured using trigonometry.

E2-21: PHASES OF THE MOON

Category: E2 Astronomy

Purpose: Show the relationship between the phases of the moon and the relative earth-sun-moon positions.

E2-41: TRANSPARENT CELESTIAL GLOBE

Category: E2 Astronomy

Purpose: Illustrate some relationships between the earth, the sun, and certain heavenly bodies

A2-13: ELLIPSE DRAWING BOARD

Category: A2 Mathematics

Purpose: Demonstrate one method of drawing ellipses

E2-22 UMBRA AND PENUMBRA

Category: E2 Astronomy

Purpose: Illustrates shadow umbra and penumbra
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