Which Statement About Measuring the Mass of an Isolated Star

question 242

Multiple Choice

Which statement about measuring the mass of an isolated star (a star that is not in a binary star system) is CORRECT?

• A) The mass of the star can be measured accurately in several ways.
• B) The mass of the star can be measured accurately only if its luminosity and temperature can be measured.
• C) The mass of the star can be measured accurately only if its distance can be found.
• D) The mass of the star cannot be measured accurately.