An angle of 1 arcsecond is
A. about the width of your fist held at arm's length.
B. about the width of a finger held at arm's length.
C. less than the thickness of a human hair held at arm's length.
D. slightly more than the width of a basketball held at arm's length.
Answer:C
An angle of 1 arcsecond is
A. about the width of your fist held at arm's length. B. about the width of a finger held at arm's length. C. less than the thickness of a human hair held at arm's length. D. slightly more than the width of a basketball held at arm's length.