Author Question: A(n) ____ is 1/60th of a degree. a. precession b. second of arc c. minute of arc d. nadir e. ... (Read 114 times)

lindiwe · **on:** Jul 27, 2018

A(n) ____ is 1/60th of a degree.

a. precession
b. second of arc
c. minute of arc
d. nadir
e. angular diameter

Question 2

An observer's nadir is

a. the point directly opposite the observer's zenith.
b. the north point on the observer's horizon.
c. located at the center of Earth.
d. always located near a circumpolar constellation.
e. directly opposite the north celestial pole.