Polaris Australis Directory References Discover Timeline of the American Civil Rights Movement Why Are Flamingos Pink? History of Technology Timeline Why Are There Only 28 Days in February? 7 of History's Most Notorious Serial Killers Why Is the Mona Lisa So Famous? Inventors and Inventions of the Industrial Revolution 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