Energy & Matter

The Washington Post: Volcanic activity may have shifted the moon’s axis

imrs.phpReporter Rachel Feltman at The Washington Post covered the research of SMU planetary scientist and research assistant professor Matthew Siegler and a team of scientists who discovered the moon wandered off its axis billions of years ago due to a shift in its mass.

The article, “Volcanic activity may have shifted the moon’s axis,” published March 23. A report on the discovery of the rare event was published today in Nature. Continue reading

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Smithsonian: Ancient Volcanoes May Have Shifted the Moon’s Poles

moon_poles_shift.jpg__800x450_q85_crop_upscaleScience reporter Danny Lewis with Smithsonian covered the research of SMU planetary scientist and research assistant professor Matthew Siegler and a team of scientists who discovered the moon wandered off its axis billions of years ago due to a shift in its mass most likely caused by volcanic activity.

The article, “Ancient Volcanoes May Have Shifted the Moon’s Poles,” published March 24. A report on the discovery of the rare event was published today in Nature: that Earth’s moon slowly moved from its original axis roughly 3 billion years ago. Continue reading

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NASA data leads to rare discovery: Earth’s moon wandered off axis billions of years ago

Ancient lunar ice indicates the moon’s axis slowly shifted by 125 miles, or 6 degrees, over 1 billion years. Earth’s moon is now a member of solar system’s exclusive “true polar wander” club, which includes just a handful of other planetary bodies. Planetary scientist Matt Siegler at Southern Methodist University, Dallas, and colleagues made the discovery while examining NASA data known to indicate lunar polar hydrogen. Continue reading

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SMU Research Day 2016: Students present their research to the SMU and Dallas community

SMU graduate and undergraduate students presented their research to the SMU community at the University’s Research Day 2016 on Feb. 10.

Sponsored by the Office of Research and Graduate Studies, the research spanned more than 20 different fields from schools across campus. Continue reading

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SMU 2015 research efforts broadly noted in a variety of ways for world-changing impact

SMU scientists and their research have a global reach that is frequently noted, beyond peer publications and media mentions.

It was a good year for SMU faculty and student research efforts. Here’s a small sampling of public and published acknowledgements during 2015, ranging from research modeling that made the cover of a scientific journal to research findings presented as evidence at government hearings. Continue reading

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Science Insider: Does North Korea really have an H-bomb?

Stump, North Korea, H-bomb, earthquakeScience Insider, the online news site for the American Association for the Advancement of Science, quoted SMU seismologist Brian Stump, saying seismic data confirms that an earthquake in North Korea was triggered by an explosion there Jan. 5.

Richard Stone, who covers international news for Science quoted Stump in the Jan. 6 article, “Does North Korea really have an H-bomb?Continue reading

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Dallas Morning News: Mounting evidence suggests Dallas quakes are induced by human activity

SMU seismologists presented new earthquake findings at the American Geophysical Union annual meeting. (Credit: DMN) Science journalist Anna Kuchment with The Dallas Morning News covered the comments of SMU seismologists Heather DeShon and Beatrice Magnani speaking during the annual American Geophysical Union meeting in San Francisco, Calif.

DeShon and Magnani presented their latest research on North Texas ground shaking. Continue reading

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Top Quark: Precise particle measurement improves subatomic tool probing mysteries of universe

Top Quark, physics, Higgs boson, FermilabPhysicists at Southern Methodist University have a new precise measurement of a key subatomic particle, opening the door to better understanding of our universe.

The researchers calculated the new measurement for a critical characteristic — mass — of the Top Quark. The new value adds growing uncertainty to physics’ Standard Model. Continue reading

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Fermilab experiment observes change in neutrinos from one type to another over 500 miles

Nova, neutrinos, Fermilab, SMU, CoanInitial data from a new U.S.–based physics experiment indicates scientists are a step closer to understanding neutrinos, the second most abundant particle in the universe, says SMU physics professor Thomas Coan, a principal investigator on the project.

Neutrinos are little understood, but indications are they hold clues to why matter overwhelmingly survived after the Big Bang instead of just energy in the form of light. Continue reading

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