Steinn Sigurðsson

Photo of Steinn Sigurðsson

Steinn Sigurðsson is a Professor in the Department of  Astronomy & Astrophysics at The Pennsylvania State University. He received his Ph.D. in 1992 from the California Institute of Technology and completed postdoctoral fellowships at the University of California at Santa Cruz and Cambridge University.  He does research in theoretical astrophysics. He is a Science Editor of The Astrophysical Journal.


Viewpoint: New Clues as to Why Boyajian’s Star is Dimming

A statistical analysis links a star’s mysterious brightness fluctuations to internal nonequilibrium phenomena, rather than structures orbiting around the star. Read More »