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Visualizing the Tilt of the Lunar Orbital Plane

Demonstration of the GeoGebra 3D Visualization of the Tilt of the Moon's Orbit in the Celestial Plane

Menelaus' Early Observations for Geography and Astronomy

Instructions:

Please recreate the GeoGebra applet and review the gathered information about Menelaus' early observations in geography and astronomy.

Lunar Nodes

1. What is the line of lunar nodes?

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Solar Eclipse

2. When does a lunar or solar eclipse occur?

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Tilt of the Moon's orbital plane

3. What is the tilt of the Moon's orbital plane relative to the ecliptic plane?

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GeoGebra 3D Visualization

4. How does GeoGebra help in visualizing the intersection of the ecliptic and celestial planes?

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Moon’s position around the Earth

5. In the GeoGebra activity, how is the Moon’s position around the Earth controlled?

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Source of Inspiration: Celestial Sphere

Source of Inspiration: Three Great Circles

Source of Inspiration: Lunar Nodes

Textbook Reference and Source of Inspiration:

Bondoc, J. M. F., Villa, J. C. S., & Pawilen, G. T. (Eds.). (2024). History of mathematics. Rex Marketing Publisher.