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Department of Astronomy: Public Lecture & Stargazing

Next Event: 7pm, Friday, October 24, 2014

Speaker: Nicholas Stone

Title: “Stripping Stars: The Exciting Lives and Untimely Demise of Stars Near Supermassive Black Holes”

Abstract: At the center of almost every galaxy sits a supermassive black hole, with a mass between a million and a billion times that of our own sun. These behemoths are usually difficult to observe, but on rare occasions will eat an unlucky, nearby star.  I will discuss the agonizing demise of stars that are torn apart by hungry supermassive black holes, and how astronomers use their death throes to learn about important questions in astrophysics and Einstein’s theory of general relativity.

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Recently Published @ Columbia (7 October 2014)

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Department of Astronomy: Public Lecture & Stargazing

Next Event: 8pm, Friday, October 10, 2014

Speaker: Maria Charisi

Title: “Explosive Lighthouses: Gamma Ray Bursts from the Distant Universe”

Abstract: Gamma-ray bursts are the most energetic and mysterious explosions in the universe. Based on the evidence to date, astronomers have inferred that we are witnessing the birth cries of black holes, born billion years ago in distant galaxies. In this talk, I will take you on a journey to the 50-year-long history of discovery and controversy.

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Recently Published @ Columbia (23 September 2014)

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Recently Published @ Columbia (16 September 2014)

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Department of Astronomy: Public Lecture & Stargazing

Next Event: 8pm, Friday, September 26, 2014

Speaker: Summer Ash

Title: “The Inconstant Moon”

Abstract: Supermoons are both super and common, but they’re only a tiny slice of our nearest neighbor’s magnificent journey. In this talk I will give an overview of all the different ways in which our satellite changes its appearance on the time scales of days to months to years. You’ll never look at the Moon the same again!

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Recently Published @ Columbia (9 September 2014)

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Recently Published @ Columbia (2 September 2014)

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The Story at the Bottom of the South China Sea

We have drilled 2,600 feet below the sea floor and in another 500 feet, will reach the crystalline igneous basalt of the ocean crust. Though finding the age of the basalt is our main aim, the thick sediments that overly the crust also have a story to tell.

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Recently Published @ Columbia (26 August 2014)

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Recently Published @ Columbia (19 August 2014)

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Recently Published @ Columbia (14 August 2014)

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Recently Published @ Columbia (5 August 2014)

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Recently Published @ Columbia (29 July 2014)

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Recently Published @ Columbia (22 July 2014)

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