An international group of astronomers has discovered surprising gaseous spiral arms in the giant elliptical galaxy NGC 5128, also known as Centaurus A. This image shows the giant elliptical galaxy NGC 5128, also known as Centaurus A (ESO) Most giant galaxies usually fit into two categories: spiral galaxies and elliptical galaxies. Spiral galaxies like our Milky Way Galaxy are hip and happening places, with plenty of gas and dust to birth new stars....
