Talk by Dr. Lynn Cominsky (Sonoma State University) Gravitational waves are predicted by Einstein's General Theory of Relativity.  They travel at the speed of light, but are much harder to detect than light waves.  On September 14, 2015, the Laser Interferometer Gravitational-wave Observatory (LIGO) received the first direct gravitational wave signals.  The event that produced them was the merger of two distant and massive black holes that were in mutual orbit. Prof. Cominsky presents an introduction to LIGO, to gravitational waves and how they were detected, and to the kinds of black holes that "make waves" in the fabric of space and time.  Originally recorded on Nov. 2, 2016.

Talk by Dr. Lynn Cominsky (Sonoma State University) Gravitational waves are predicted by Einstein's General Theory of Relativity. They travel at the speed of light, but are much harder to detect than light waves. On September 14, 2015, the Laser Interferometer Gravitational-wave Observatory (LIGO) received the first direct gravitational wave signals. The event that produced them was the merger of two distant and massive black holes that were in mutual orbit. Prof. Cominsky presents an introduction to LIGO, to gravitational waves and how they were detected, and to the kinds of black holes that "make waves" in the fabric of space and time. Originally recorded on Nov. 2, 2016.

Talk by Dr. Lynn Cominsky (Sonoma State University) Gravitational waves are predicted by Einstein's General Theory of Relativity.&nbsp; They travel at the speed of light, but are much harder to detect than light waves.&nbsp; On September 14, 2015, the Laser Interferometer Gravitational-wave Observatory (LIGO) received the first direct gravitational wave signals.&nbsp; The event that produced them was the merger of two distant and massive black holes that were in mutual orbit. Prof. Cominsky presents an introduction to LIGO, to gravitational waves and how they were detected, and to the kinds of black holes that "make waves" in the fabric of space and time.&nbsp; Originally recorded on Nov. 2, 2016.

Spacetime Symphony: Gravitational Waves from Merging Black Holes

Listen to exciting, non-technical talks on some of the most interesting developments in astronomy and space science.  Founded in 1999, the Silicon Valley Astronomy Lectures are presented on six Wednesday evenings during each school year at Foothill College, in the heart of California's Silicon Valley. Speakers include a wide range of noted scientists, explaining astronomical developments in everyday language. The series is organized and moderated by Foothill's astronomy instructor emeritus Andrew Fraknoi and jointly sponsored by the Foothill College Physical Science, Math, and Engineering Division, the SETI Institute,  the Astronomical Society of the Pacific, and the University of California Observatories (including the Lick Observatory.)

Science

Astronomy

Listen to exciting, non-technical talks on some of the most interesting developments in astronomy and space science. Founded in 1999, the Silicon Valley Astronomy Lectures are presented on six Wednesday evenings during each school year at Foothill College, in the heart of California's Silicon Valley. Speakers include a wide range of noted scientists, explaining astronomical developments in everyday language. The series is organized and moderated by Foothill's astronomy instructor emeritus Andrew Fraknoi and jointly sponsored by the Foothill College Physical Science, Math, and Engineering Division, the SETI Institute, the Astronomical Society of the Pacific, and the University of California Observatories (including the Lick Observatory.)

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Spacetime Symphony: Gravitational Waves from Merging Black Holes

Spacetime Symphony: Gravitational Waves from Merging Black Holes

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