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8A10.55 - Retrograde Motion

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​8A10.55 - Retrograde Motion

Preview
SelectSelected
Title8A10.55 - Retrograde Motion
Objective

Show the apparent motion of a planet in the heliocentric solar system.

StatusAvailable
Assembly Instructions

Instructions
To follow an outer planet (shown in figure), place the maglite (Earth) on the turntable with the sun at the center, and the planet on the desk between the turntable and sky. To follow an inner planet, place the maglite on the desk between the turntable and sky, and the planet on the turntable with the sun. Slowly rotate the turntable. The planet should get brighter and move westward when closest to the Earth.


Setup Time15
Operation Time5
Preview Time5
Operation Instructions

Overview
Show the apparent motion of a planet in the heliocentric solar system. You can also illustrate planetary alignments, phases and maximum elongation for inner planets.

ExportableNo
Demo on DimeNo
PIRA 200Yes
Export Instructions (if different)
HazardsNone
Analysis/Information
Category8 Astronomy
Subcategory8A - Planetary Astronomy
Keywordsastronomy, solar system, planetary motion, motion of the planets
Construction Information
 
  
  
retrograde motion turntable assembly
1
cord stand for retrograde motion
1
variac
1