If Stellar Parallax Can Be Measured to a Precision of About

question 57

Multiple Choice

If stellar parallax can be measured to a precision of about 0.01 arcsec using telescopes on Earth to observe stars,to what distance does this correspond in space?

• A) 500 pc
• B) 200 pc
• C) 100 pc
• D) 0.01 pc

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Definitions:

Compelling

Having a powerful and irresistible effect; capable of driving action or demanding attention.

Competitive

The quality of being able to compete successfully against others in the same field, often by offering better goods, services, or performance.

Indirect Approach

A strategy or method of communication that avoids direct confrontation or explicit revelation, often used to moderate the impact of a message.

Essential Element

A fundamental component or aspect that is necessary for the completeness or functionality of something.