2) The Full Moon has an apparent magnitude of -12.6 and when Mars is at its brightest in the night sky its apparent magnitude is + 2.0.
(a) Which of the two objects has the bigger apparent magnitude number?
(b) Which object will look brighter from Earth, the Full Moon or Mars? How do you know?
(a) Which of the two objects has the bigger apparent magnitude number?
(b) Which object will look brighter from Earth, the Full Moon or Mars? How do you know?
-
a. With apparent magnitude the minus numbers are brighter. They aren't really bigger.
b. Full moon. Previous experience.
b. Full moon. Previous experience.