Engineering
Physics
Approximation and Order of Magnitude
Keplers Law
Artificial Satellites
Question
Which of the following is the parallax angle in the shown diagram?
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Solution
The parallax angle is the angle between the Earth at one time of year, and the Earth six months later, as measured from a nearby star. Astronomers use this angle to find the distance between the Earth and the Star.
Thus p is the parallax angle.
