Polaris Australis Directory References Discover Titanosaurs: 8 of the World's Biggest Dinosaurs Cruel and Unusual Punishments: 15 Types of Torture How Deadly Is Quicksand? 6 Wars of Independence 7 of the World’s Deadliest Shipwrecks The Seven Sacraments of the Roman Catholic church Causes of the Great Depression Contents Polaris Australis star Ask the Chatbot a Question Ask the Chatbot a Question Also known as: Sigma Octantis Learn about this topic in these articles:polestar In polestar…pole; the present southern polestar, Polaris Australis (also called σ Octantis), is only of the 5th magnitude and is thus barely visible to the naked eye.Read More