What unit would best describe the linear diameter of a planetary body?
a. arc seconds
b. arc minutes
c. degrees
d. kilometers
e. radians
Question 2
Calculate the angular diameter of the Moon with these known facts: Moon's linear diameter = 3480 km Moon's average distance from Earth = 384,000 km number of arc seconds in 1 radian = 2.06 x 105
a. 31 arc seconds
b. 187 arc seconds
c. 1750 arc seconds
d. 1870 arc seconds
e. 1910 arc seconds