Building the Mighty Keck Observatory – Credit: JPL

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In 1985, construction began on what was to become, and still remain, the biggest optical/infrared telescopes on Earth. Since first science in 1993 for Keck I and 1996 for Keck II, the two telescopes are the most scientifically productive telescopes on Earth, publishing more papers per telescope than any of its peers. 

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Congratulations Andrea Ghez @UCLA and #GalacticCenter team! Love, W. M. Keck Observatory bit.ly/1DWqDI0
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