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 the Earth.What does this information tell us about the two stars?
A) Together the two stars would have a magnitude of 4.9.
B) Vega must produce less energy per second than HR 4374.
C) Vega must produce more energy per second than HR 4374.
D) Vega will appear fainter to us than HR 4374.
Correct Answer:

Verified
Correct Answer:
Verified
Q23: The planets _ and _ are never
Q24: What is the term for the Moon
Q25: An observer in the southern hemisphere takes
Q26: What is the purpose of the magnitude
Q27: What is the term for a lunar
Q29: If you were on the Moon during
Q30: What is the term for the point
Q31: A third magnitude star is three times
Q32: The Moon has an angular diameter of
Q81: Why don't eclipses occur at every new