Olivia DrakeBiology Ph.D candidate Sarah Kopac was invited to speak at the 2014 Spring Symposium of the Space Telescope Science Institute on the campus of Johns Hopkins University in Baltimore, M.D. on April 29. Kopac spoke on "Specialization of Bacillus in the Geochemcially Challenged Environment of Death Valley." Watch a video of her 20 minute presentation online here. Kopac's talk was part of a four-day interdisciplinary meeting titled "Habitable Worlds Across Time and Space" featuring speakers from around the world working in such diverse fields as biology, geology and astronomy. The focus of the seminar was on identifying places within our…
Meredith Hughes, assistant professor of astronomy, received a grant from the National Science Foundation to support her research on "Dust and Gas in Debris Disks Reveal the Origins of Planetary Systems." The grant, awarded on April 21, is worth $532,943. Hughes’ research focuses on understanding the formation and evolution of planetary systems. She particularly studies the huge disks of gas and dust surrounding a young star, which can give insight into how and when a star planet might form. The disk is made up of “junk” left over from the star’s formation. The main technique Hughes uses to observe these circumstellar…
Kate CarlisleAssistant Professor of Earth and Environmental Sciences James “Jim” Greenwood has received a $331,000 grant from NASA to support his research on the moon’s water. His proposed research, tracking water in rock samples brought back by the Apollo missions, will “take a giant leap towards solving one of the most important questions in planetary science – whether the Moon is wet or dry,” Greenwood said. “We’ll be studying pockets of glass trapped in early and late-crystallizing minerals in lunar mare basalt samples,” Greenwood said. “We will measure water and other volatile elements in these trapped melt pockets to reconstruct the…
Bill FisherWith his Wesleyan undergraduate and graduate students, Assistant Professor of Astronomy Seth Redfield studies exoplanets, the local interstellar medium, and stellar and exoplanetary atmospheres. He talks about the unique opportunity offered through his exoplanet program at Wesleyan, in which students at the undergraduate level participate in cutting-edge research. [youtube]http://youtu.be/PNP5Cgc10go[/youtube] #THISISWHY
James "Jim" Greenwood, assistant professor of earth and environmental sciences, and four colleagues have published a paper that casts doubt on the theory of abundant water on the moon while simultaneously boosting theories around the creation of the moon, several billion years ago. The paper, “The Lunar Apatite Paradox,” published March 20 in the prestigious journal Science, stems from work involving the mineral apatite, the most abundant phosphate in the solar system. (Along with its presence on planets, it’s found in teeth and bones.) Initial work on the lunar rocks brought back to Earth by the Apollo missions indicated that…
Two faculty, one student and one alumnus made paper presentations at the 45th Lunar and Planetary Science Conference in The Woodlands, Tex., March 17-21. The Planetary Science Conference brings together international specialists in petrology, geochemistry, geophysics, geology and astronomy to present the latest results of research in planetary science. The five-day conference included topical symposia and problem-oriented sessions. During the conference, Marty Gilmore, chair and associate professor of earth and environmental sciences, presented a paper on the "Venus Exploration Roadmap to the Venus Exploration Analysis Group (VEXAG)" on March 20. James Greenwood, assistant professor of earth and environmental sciences, presented "Hydrogen Isotopes of…
Natalie Robichaud ’14Marty Gilmore, associate professor of earth and environmental studies, will present her work with the MARS Rover missions on Tuesday, April 8 at the final Science of Screen of the year. The monthly Science on Screen events pair local scientists with screenings of popular movies. Gilmore’s presentation of her research will begin at 7 p.m. and will be followed by a screening of Mission to Mars. Gilmore’s primary research involves using images of the surface of Mars and Venus to interpret geological processes and history. For example, her research includes searching for clues regarding where and when there might have…
Bill Herbst, the John Monroe Van Vleck Professor of Astronomy, director of graduate studies, received a $5,000 grant from NASA's Jet Propulsion Laboratory to support observations with the Spitzer Space Telescope. The title of the proposal is “Planet Formation in the Circumbinary Disk of KH 15D.” Herbst and his colleagues are measuring the brightness of the T Tauri binary system KH 15D covering several important missing orbital phases around minimum light and one near maximum. Data is crucial to understanding the mechanisms behind the observed reddening in the system, which has implications for planetformation and disk evolution. Learn more about this study online here.
James "Jim" Greenwood, assistant professor of earth and environmental sciences, and four colleagues have co-authored a paper titled “The Lunar Apatite Paradox,” published in the journal Science on March 20. The study casts doubt on the theory of abundant water on the moon while simultaneously boosting theories around the creation of the moon, several billion years ago.
Meredith Hughes, assistant professor of astronomy, is the co-author of a paper titled "Molecular Gas Clumps from the Destruction of Icy Bodies in the β Pictoris Debris Disk," published in the journal Science on March 6. Read more about Hughes study in this Wesleyan Connection article.
A curious mix of dust and gas surrounding a distant star presents a unique mystery – and possibly a front-row seat to planet formation, according to Assistant Professor of Astronomy Meredith Hughes and colleagues, whose paper on the star appears in the March 6 edition of the journal Science. The group of astronomers, including Hughes and 13 others, were the first to identify the asymmetry and “lumpy” quality of the gas surrounding beta Pictoris, using data from the Atacama Large Millimeter/Submillimeter Array (ALMA) in Chile. The discovery leads to two possible explanations: There may be a giant "exoplanet" lurking nearby…
Mike SembosTaft Armandroff ’82 has been appointed as director of the University of Texas at Austin’s McDonald Observatory in Fort Davis, Texas. He’ll be moving to the Lone Star State in June 2014 to claim his new position. Armandroff’s specialties include dwarf spheroidal galaxies, stellar populations in the Milky Way and nearby galaxies, and globular clusters. He will soon be leaving his current position as director of the W.M. Keck Observatory in Mauna Kea, Hawaii. Prior to Keck, he worked for 19 years at the National Optical Astronomy Observatory (NOAO) in Tucson, Ariz., having earned his BA in astronomy with honors…