Suppose Astronomers Want to Measure the Distance to a Star

question 114

Multiple Choice

Suppose astronomers want to measure the distance to a star in astronomical units. They would use the equation d (au) = x/parallax angle (arcsec) . What is x?

• A) 3.26
• B) 360
• C) 206,265
• D) 3.0 × 10⁸

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Definitions:

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A vast empire in the 13th and 14th centuries that was founded by Genghis Khan and became the largest contiguous land empire in history.

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A country located at the crossroads of Europe and Asia, known for its rich history, cultural heritage, and strategic geographical location.

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