The Star Vega Has an Apparent Visual Magnitude of 0

question 138

Multiple Choice

The star Vega has an apparent visual magnitude of 0.03 and the star HR 4374 has an apparent visual magnitude of 4.87. It has been determined that both stars are at the same distance from Earth. What does this information tell us about the two stars?

• A) Vega must be closer to Earth than HR 4374.
• B) Vega must be farther from Earth than HR 4374.
• C) Vega must produce less energy/second than HR 4374.
• D) Vega must produce more energy/second than HR 4374.
• E) Vega will appear fainter to us than HR 4374.

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