From a distance of 1 parsec, the angular size of Earth's orbit would be
a) 2 arc seconds
b) 1 degree
c) 1 arc minute
d) 2 degrees
Answer: a) 2 arc seconds
From a distance of 1 parsec, the angular size of Earth's orbit would be
a) 2 arc seconds
b) 1 degree
c) 1 arc minute
d) 2 degrees
Answer: a) 2 arc seconds