You observe a star and you want to plot it on an H- R diagram. You will need to measure all of the following, except the star's .

Question

Quizplus · Accepted Answer

Mass cannot be directly measured from observations of a star. It is typically estimated based on other parameters such as luminosity, temperature, and radius. However, apparent brightness, distance, and spectral type can all be measured or inferred from observations.

You Observe a Star and You Want to Plot It