Polaris Australis Directory References Discover 9 Memorials and Monuments in the United States 7 Deadliest Weapons in History Falling Stars: 10 of the Most Famous Endangered Species Poker Hands Ranked Who Invented the Internet? 9 of the World’s Deadliest Snakes Is Cinco de Mayo Mexico's Independence Day? 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