caltech

Maarten Schmidt, Francis L. Moseley Professor of Astronomy, Emeritus, at Caltech, passed away on Saturday, September 17, 2022. He was 92 years old. Schmidt is well known for his 1963 discovery of quasars—extremely bright and distant…

Virginia Trimble, 78, is a professor of physics and astronomy at the University of California, Irvine, whose astronomy career spans more than 50 years. She has studied the structure and evolution of stars, galaxies and the universe and…

Pictured above: Ultraviolet light is seen in blue in a composite image of Barnard’s Galaxy captured by GALEX and the European Southern Observatory. NASA has selected the UltraViolet EXplorer (UVEX), led by Caltech’s…

A Starlink satellite streak appears in a ZTF image of the Andromeda galaxy, as pictured on May 19, 2021. Image: ZTF/CaltechResearchers at the Zwicky Transient Facility in California have analyzed the degree to which SpaceX’s Starlink…