Podcaster: Rob Sparks. Guest: Dr. Xiaosheng Huang, William Shu, Chris Storfer, Andy Gu

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Title: Hundreds of New Gravitational Lenses

Organization: NOIRLab (NSF’s National Optical-Infrared Astronomy Research Laboratory)

Links: ; @NOAONorth; ;

Description:  Gravitational lenses are rare objects caused by a galaxy bending light traveling to us form a more distant galaxy or quasar. Until recently only a few hundred gravitational lenses were know. In this podcast, we talk to Dr. Xiaosheng Huang and some of his students who led a project that has discovered hundreds of new gravitational lenses, the techniques they used to analyze the data and the challenges they faces.

Bio: Rob Sparks is a science education specialist in the Education and Public Outreach (EPO) group at the National Optical Astronomy Observatory (NOAO) and works on the Galileoscope project (, providing design, dissemination and professional development. He blogs at

Dr. Xiaosheng Huang is professor at the University of San Francisco and an affiliate at Lawrence Berkeley National Laboratory and works on observational cosmology.

William Shu is an undergraduate student at Berkeley where he studies physics and computer science.

Chris Storfer is a recent graduate of the University of San Francisco and recently received his degree in physics.

Andy Gu is a rising junior at Berkeley where he studies physics and computer science.

End of podcast:

365 Days of Astronomy

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