4 ▁and ▁renamed ▁M V ▁Nova ▁Star '' ▁for ▁the ▁G ulf ▁of ▁Maine ▁service . ▁ ▁V essel ▁details ▁The ▁ship ▁features ▁a ▁large ▁variety ▁of ▁cru ise - ship ▁like ▁features , ▁including ▁two ▁restaur ants ▁and ▁three ▁bars , ▁a ▁cas ino ▁g aming ▁facility , a ▁duty - free ▁ret ail ▁shop . ▁The ▁ship ▁also ▁includes ▁a ▁children ▁play ▁area , ▁live ▁on - board ▁entertain ment , ▁a ▁sp a ▁and ▁art ▁gallery . ▁ ▁The ▁vessel ▁has ▁ 1 6 3 ▁cab ins ▁and ▁a ▁capacity ▁of ▁ 1 , 2 1 5 ▁passengers . ▁She ▁can ▁carry ▁ 3 3 6 ▁car - equ ival ents ▁and / or ▁ 3 8 ▁commercial ▁vehicles ▁( sem i - tra iler ▁rig s ▁or ▁bus es ) ▁and ▁comm ens ur ately ▁fewer ▁cars . ▁ ▁References ▁ ▁External ▁links ▁Nova ▁Star ▁Cru ises ▁( o fficial ▁website ) ▁ ▁Category : C ru ise fer ries ▁Category : F er ries ▁of ▁Maine ▁Category : F er ries ▁of ▁Nova ▁Scot ia ▁Category : 2 0 0 9 ▁ships ▁Category : Sh ips ▁built ▁in ▁Singapore <0x0A> </s> ▁In ▁mathematics , ▁a ▁unit ary ▁sp ider ▁diagram ▁adds ▁exist ential ▁points ▁to ▁an ▁E uler ▁or ▁a ▁V enn ▁diagram . ▁The ▁points ▁indicate ▁the ▁existence ▁of ▁an ▁attribute ▁described ▁by ▁the ▁intersection ▁of ▁cont ours ▁in ▁the ▁E uler ▁diagram . ▁These ▁points ▁may ▁be ▁joined ▁together ▁forming ▁a ▁shape ▁like ▁a ▁sp ider