Zeta Andromeda (image) University of Copenhagen - Niels Bohr Institute Share Print E-Mail Caption Zeta Andromeda has a large sunspot at its north pole. The south pole cannot be seen, but you can see sunspots at latitudes near the poles and these sunspots are not there at the same time, they are seen alternately on the northern and southern hemispheres. They appear and disappear again with an asymmetrical distribution on the surface of the star. Credit Credit: Roettenbacher et al. Usage Restrictions Credit: Roettenbacher et al. Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.