How Do Astronomers Determine the Distance to Stars That Are

question 8

Multiple Choice

How do astronomers determine the distance to stars that are farther than 100 parsecs away?

• A) measuring the shift of the stellar parallax
• B) estimating a star's spectral type and comparing it to the spectroscopic parallax
• C) subtracting absolute from apparent magnitudes
• D) using trigonometry in the triangulation method
• E) measuring the proper motion of a star

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