The point on the celestial sphere that is directly below an observer is the __________.
A
pole
B
nadir
C
node
D
zenith
E
İlgili Sorular
Joiner bulkheads on a MODU provide _________________.Which topmark in illustration D023NG identifies an isolated danger?On offshore drilling units, each inflatable life raft must be serviced every _____________________.Wire rope is used in the towing industry __________.A Master should file a marine note of protest if __________.