Chile. Astronomers have discovered one of the oldest and rarest stars in the universe. This ancient star was found inside a small galaxy (dwarf galaxy) called 'Pictor Two', over 10 billion years old, in an image captured by the 'Dark Energy Camera' mounted on the Victor M. Blanco Telescope in Chile.Scientists have classified this star, named 'Pictu-503', as a 'Population Two' or second-generation star. Because it formed in the early stages of the universe's origin, it contains extremely low amounts of heavy elements like iron.Compared to our Sun, this star has 40,000 times less iron. However, despite the lack of...