If a star has an apparent magnitude of +5 and an absolute magnitude of -10, what can we say about that star?
A) The star is farther than 10 parsecs away.
B) The star is closer than 10 parsecs away.
C) The star has a very large chromosphere.
D) The star has a very large corona.
E) The star is fainter than the Sun.

Question

Quizplus · Accepted Answer

The apparent magnitude of a star is how bright it appears from Earth, while the absolute magnitude is how bright it would appear if it were 10 parsecs away. A star with an apparent magnitude of +5 and an absolute magnitude of -10 is extremely bright intrinsically but appears less bright from Earth, indicating it is farther than 10 parsecs away.

If a Star Has an Apparent Magnitude of +5 and an Absolute