Astronomy Talk: Violent Events in Rocky Planetary Systems – Dr. Benjamin Zuckerman

This is a recoding of a Keck Observatory Astronomy Talk given by Dr. Benjamin Zuckerman, Professor Emeritus of Astronomy at UCLA. His talk, 'Violent Events in Rocky Planetary Systems: Implications for the Fate of Technological Civilizations, Including Our Own', was given on October 25, 2012 at the Gates Performing Arts Center at Hawaii Preparatory Academy.

The W. M. Keck Observatory operates two 10-meter optical/infrared telescopes on the summit of Mauna Kea on the Big Island of Hawaii. The twin telescopes feature a suite of advanced instruments including imagers, multi-object spectrographs, high-resolution spectrographs, integral-field spectroscopy and a world-leading laser guide star adaptive optics system which cancels out much of the interference caused by Earth’s turbulent atmosphere. The Observatory is a private 501(c) 3 non-profit organization and a scientific partnership of the California Institute of Technology, the University of California and NASA.

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SCIENCE NEWS: Astronomers @keckobservatory & @NASA_Hubble use microlensing to find Uranus-sizd #exoplanet bit.ly/1DcPixb
Our guests tonight are observers from NASA and CIT-Y, using HIRESR and NIRC2-LGS respectively. Sun set 07:11:00pm rise 05:46:00am
Tonight observers from UCB/NASA/UCB and CIT-Y will use OSIRIS-NGS/OSIRIS-LGS/HIRESR and NIRC2-LGS. Sun set 07:11:00pm rise 05:46:00am
SCIENCE NEWS!: Fossil Star Clusters Revela Their Age W. M. Keck Observatory bit.ly/1ftjdG4
Very stable atmosphere tonight. Observers @meg_bedell @intiwatay are enjoying a seeing of 0.35 arcsec, much better than typical conditions