The great circle on the celestial sphere that passes through the zenith and the north and south poles is the __________.
A
hour circle
B
prime vertical
C
principal vertical
D
ecliptic
E
İlgili Sorular
By regulation, cargo tank atmosphere must be inert before and during which operation?How many ring life buoys should a 700 foot cargo vessel, not subject to SOLAS, navigating the Great ...Each OSV must carry _____________.A cargo tank that is initially gas freed, can be inerted by introducing inert gas by a process known...For GMDSS, which statement concerning compulsory vessels is TRUE?