Ursae Majoris is a star that has an apparent magnitude m = +5.31 and an absolute magnitude M_V = +5.41. How far away is 61 Ursae Majoris from Earth?
A. Much farther away than 10 parsecs.
B. A little farther away than 10 parsecs.
C. Exactly 10 parsecs away.
D. Closer than 10 parsecs away.
Answer:D
Ursae Majoris is a star that has an apparent magnitude m = +5.31 and an absolute magnitude M_V = +5.41. How far away is 61 Ursae Majoris from Earth?
A. Much farther away than 10 parsecs. B. A little farther away than 10 parsecs. C. Exactly 10 parsecs away. D. Closer than 10 parsecs away.