News

DTM Scientists Participate in the 229th Meeting of the American Astronomical Society

Maggie Thompson

Tri Astraatmadja, Johanna Teske, Serge Dieterich, and Maggie Thompson participated in the 229th meeting of the American Astronomical Society, held in Grapevine, TX, from January 3 to 7, 2017.

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In Memory of Glenn Poe

Glenn Poe

Glenn Russell Poe passed away on December 12, 2016 at the age of 79. He was a highly valued member of the DTM staff from 1959 until his retirement in 1994. Glenn joined DTM as an electronics technician after serving in the US Navy from 1955 to 1959. While at DTM Glenn’s expertise was an important part of work in many places including California, Peru, Iceland, Japan, and China.

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Robert N. Shelton Selected as President of Giant Magellan Telescope Organization

GMT

The Giant Magellan Telescope Organization (GMTO) announces the appointment of physicist Robert N. Shelton to become its president, effective February 20, 2017. Shelton will lead the organization in the development of the 24.5-meter Giant Magellan Telescope (GMT), which is poised to be the world’s largest astronomical telescope when operational in the next decade.  Shelton will work closely with the GMTO Board of Directors, the leadership at the partner institutions, and the GMT team to complete construction of the observatory.

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DTM Hosts Workshop for Volcanologists in the DC Area

Stefan Lachowycz

In 2013, NASA Goddard Space Flight Center (GSFC) hosted a workshop for Earth and planetary scientists in the Washington, DC area with an interest in volcanology to facilitate inter-institution dialog and collaboration. On January 11, 2017, the Department of Terrestrial Magnetism (DTM) hosted a sequel to this workshop at Carnegie’s Broad Branch Road campus.

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Postdoc Spotlight: Astronomer Erika Nesvold

Erika Nesvold

Born to one of the original Trekkies (her mother) DTM Postdoctoral Fellow Erika Nesvold grew up a self-proclaimed science fiction nerd, a hobby that soon evolved into her passion for astronomy. Today she ventures into the stars her fellow Star Trek fans dreamed of one-day exploring for themselves by studying the effects exoplanets have on their debris disks.

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Deep Mantle Chemistry Surprise: Carbon Content Not Uniform

Marion le Voyer

Even though carbon is one of the most abundant elements on Earth, it is actually very difficult to determine how much of it exists below the surface in Earth’s interior. Analysis by Carnegie’s Marion Le Voyer and Erik Hauri of crystals containing completely enclosed mantle magma with its original carbon content preserved has doubled the world’s known finds of mantle carbon. The findings are published in Nature Communications.

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