Education
University of California, Los Los Angeles Northwestern University.
University of California, Los Los Angeles Northwestern University.
He works at the Rochester Institute of Technology, where he is a Professor, and Director of the Center for Detectors. He claims that 150 solar masses is the upper limit for stars. By using the Hubble Space Telescope, he observed approximately one thousand stars in a young star cluster, the Arches Cluster, which is near the center of the Milky Way.
None of the stars surpassed this limit.
While at University of California, Los Angeles, he also identified the Pistol Star as one of the most massive in the Universe.