The star Vega has an absolute magnitude of about 4 and an apparent magnitude of about 0.Based on the definitions of absolute and apparent magnitude,we can conclude that
A) Vega is nearer than 10 parsecs from Earth.
B) Vega has a parallax angle of 1/10 arcsecond.
C) Vega's luminosity is less than that of our Sun.
D) Vega's surface temperature is cooler than the Sun.
Correct Answer:
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