The principal vertical circle is that great circle on the celestial sphere that passes through the __________.
A
zenith and the celestial body
B
zenith and the north and south poles
C
poles and Greenwich
D
zenith and is parallel to the horizon
E
İlgili Sorular
The strength of a deck will be increased by adding __________.Which action must be taken when an individual cargo tank is closed off from the inert gas system by ...On 29 June 1981 you observe a back sight of the lower limb of the Moon as seen through the sextant'...On small passenger vessels, shut-off valves must be§installed on both gasoline and diesel fuel suppl...One major advantage of the round turn maneuver in a man overboard situation is that it __________.