9
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The Cosmic Distance Ladder — Quiz

Question 9 • Earth and Space Science

Astronomers use parallax to measure distances to nearby stars using the formula d=(1)/(p) where d is the distance in parsecs and p is the parallax angle in arcseconds. Astronomers have been observing Star A and Star B. Star A has parallax angle of 0.10 arcseconds and Star B has a parallax angle of 0.25 arcseconds. Choose the correct answers from each drop-down menu to complete the statements.

Answer

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10|4|inverse

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