Books By Tyler Nordgren - Author

Dr. Nordgren is an Associate Professor of Physics at the University of Redlands. As an observational astronomer he has written over two dozen peer-reviewed papers on pulsars, the interstellar medium, star formation in galaxies, the distribution of dark matter in galaxies, and the atmospheres and pulsation of red giant stars. In addition, he has professional interests in archaeoastronomy, light pollution and science education. These interests were developed during positions held as an astronomer at the U.S. Naval Observatory and then Lowell Observatory in Flagstaff Arizona. Both institutions have worked diligently and successfully with local governments to establish light pollution ordinances. Dr. Nordgren has designed and built sundials, including a two-story dial at the University of Redlands, and is one of seven scientists and artists that turned the NASA Mars Exploration Rover camera calibration targets into working Martian sundials. These Marsdials have become the most photographed objects of the Spirit a