Shortz HENRY HUDSON (55A. Explorer who sailed into 46-Across in 1609), NEW YORK HARBOR (46A. See 55-Across), HALF MOON (1A. With 69-Across ship of 55-Across), DISCOVERY (18A. Aptly named ship on a later voyage of 55-Across), ARCTIC OCEAN (20A. Body of water sailed in by 55-Across), TRANSATLANTIC (26A. Like most of