Which of the Following Statements About Apparent and Absolute Magnitudes

question 62

Multiple Choice

Which of the following statements about apparent and absolute magnitudes is true?

• A) The magnitude system that we use now is based on a system used by the ancient Greeks over 2,000 years ago that classified stars by how bright they appeared.
• B) A star with an apparent magnitude of 1 appears brighter than a star with an apparent magnitude of 2.
• C) The absolute magnitude of a star is another measure of its luminosity.
• D) A star's absolute magnitude is the apparent magnitude it would have if it were at a distance of 10 parsecs from Earth.
• E) All of the above are true.

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Definitions:

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