Quiz 7. Parallax Equation

Name: ________________________ Given 10/19 ID Number: ________________________

1. Here is a diagram showing how the distance to another planet is measured using parallax. Draw the circle and anything else we used to derive the parallax equation. (Don't worry if you can't fit everything into the space provided; just show as much as you can.)











Parallax measurement.









2. Here are three parts of the parallax equation. Below them, in a different order, are things these parts represent. Draw lines to link each part of the equation to the thing it represents.

  Number of triangles.   Circumference of circle.   Converts circumference to radius.  
 
  converts circumference
to radius
  number of triangles
in circle
  circumference
of circle
 

Joshua E. Barnes (barnes@ifa.hawaii.edu)
Last modified: October 18, 2006
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