The Luminosity Class of a Star Tells an Astronomer

question 31

Multiple Choice

The luminosity class of a star tells an astronomer

• A) whether the star is close to us or far away
• B) whether or not the star is surrounded by planets
• C) whether the star is a supergiant, a giant, or a main-sequence star
• D) how long ago the star formed
• E) none of the above

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