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​Mars Lost an Ocean’s Worth of Water

MAUNA KEA, HI – A primitive ocean on Mars once held more water than Earth’s Arctic Ocean, according to NASA scientists who measured signatures of water in the planet’s atmosphere using the most... Read more »

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​Thermonuclear Supernova Ejects Galaxy’s Fastest Star

MAUNA KEA, HI – Scientists using the W. M. Keck Observatory and Pan-STARRS1 telescopes on Hawaii have discovered a star that breaks the galactic speed record, traveling with a velocity of about... Read more »

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Supernova Split into Four Images by Cosmic Lens

MAUNA KEA, HI – Astronomers have for the first time spotted four images of a distant exploding star, arranged in a cross-shape pattern by a powerful gravitational lens. In addition to being a... Read more »

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Three Almost Earth-Size Planets Found Orbiting Nearby Star

MAUNA KEA, HI – A team of scientists recently discovered a system of three planets, each just larger than Earth, orbiting a nearby star called EPIC 201367065. The three planets are 1.5-2 times the... Read more »

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Comprehensive Andromeda Study Hints of Violent History

MAUNA KEA, HI – A detailed study of the motions of different stellar populations in Andromeda galaxy by UC Santa Cruz scientists using W. M. Keck Observatory data has found striking differences... Read more »

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Scientists Accurately Quantify Dust Around Planets in Search for Life

MAUNA KEA, Hawaii — A new study from the Keck Interferometer, a former NASA project that combined the power of the twin W. M. Keck Observatory telescopes atop Mauna Kea, Hawaii, has brought... Read more »

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‘Eye of Sauron’ Provides New Way of Measuring Distances to Galaxies

MAUNA KEA, Hawaii — A team of scientists, led by Dr. Sebastian Hoenig from the University of Southampton, has accurately measured the distance to the nearby NGC4151 galaxy, using the W. M.... Read more »

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Evicted? Possible Black Hole Found 2,600 Light Years from Home

MAUNA KEA, Hawaii — An international team of researchers analyzing decades of observations from many facilities — including the W. M. Keck Observatory on Mauna Kea, the Pan-STARRS1 telescope on... Read more »

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Astronomers Thrilled by Extreme Storms on Uranus

MAUNA KEA, Hawaii — The normally bland face of Uranus has become increasingly stormy, with enormous cloud systems so bright that for the first time ever, amateur astronomers are able to see details... Read more »

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Mysterious G2 Cloud Near Black Hole Identified

MAUNA KEA, Hawaii – The mystery about a thin, bizarre object in the center of the Milky Way headed toward our galaxy’s enormous black hole has been solved by UCLA astronomers using the W. M. Keck... Read more »

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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
Tonight the observers are Megan Bedell @meg_bedell (Chicago) and Jorge Melendez @intiwatay (Sao Paulo). They are observing twins of our Sun

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