Northern Coalsack Directory References Discover 6 of the World’s Deadliest Natural Disasters 6 Classical Dances of India 15 Nelson Mandela Quotes 10 Women Scientists Who Should Be Famous (or More Famous) Secret Service Code Names of 11 U.S. Presidents What’s the Difference Between Monkeys and Apes? Periods of American Literature Contents Ask the Chatbot a Question Northern Coalsack astronomy Ask the Chatbot a Question Learn about this topic in these articles:comparison to Coalsack In CoalsackThe Northern Coalsack, in the constellation Cygnus, is similar in nature and appearance but somewhat less prominent.Read MoreBritannica ChatbotChatbot answers are created from Britannica articles using AI. This is a beta feature. AI answers may contain errors. Please verify important information in Britannica articles. About Britannica AI.