Achernar is a star located 36.2 parsecs away from Earth, and has an apparent magnitude of m = +0.51. If Achernar were relocated to 10 parsecs away from Earth, its apparent magnitude would:
A. get brighter.
B. remain the same.
C. get dimmer.
D. (Not enough information is given.)
Answer:A
Achernar is a star located 36.2 parsecs away from Earth, and has an apparent magnitude of m = +0.51. If Achernar were relocated to 10 parsecs away from Earth, its apparent magnitude would:
A. get brighter. B. remain the same. C. get dimmer. D. (Not enough information is given.)