Remembering Dr. Steve Holtrop: Ƶmourns the loss of a visionary education professor
Dr. Steve Holtrop, professor of education and former director of graduate studies at Ƶ, passed away from cancer on October 14. He was 64 years old.
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Ƶ professor is part of $687,182 grant from NASA’s Exoplanets Research Program
Dr. Channon Visscher, professor of chemistry and planetary sciences at Ƶ, is part of a collaborative team that has been awarded a grant totaling $687,182 by NASA’s Exoplanets Research Program (XRP).
Dr. Channon Visscher, professor of chemistry and planetary sciences at Ƶ, is part of a collaborative team that has been awarded a grant totaling $687,182 by NASA’s Exoplanets Research Program (XRP).
The name of the grant is “A Theoretical and Laboratory Study of Refractory Cloud Formation in Exoplanet and Brown Dwarf Atmospheres.” It was led by NASA scientists at the Goddard Spaceflight Center with researchers at Ƶthrough the Space Science Institute (SSI) and at the University of Texas at Austin (UT-Austin).
The program seeks to improve our understanding of how clouds form on planets outside our Solar System. While clouds on Earth consist of water, other planets have more variety, including rocky or even metallic clouds. In this research project, scientists at NASA-Goddard will combine experimental measurements of possible cloud materials with theoretical chemical models performed at SSI/Ƶand spectroscopic predictions (exploring how light interacts with different materials) from researchers at UT-Austin to apply to new observations from the James Webb Telescope (JWST).
“It's an exciting project to be a part of because it combines experimental, theoretical, and observational work into a single project,” says Visscher. “This research will help us better understand the formation and behavior of these types of clouds and also how they shape the appearance of exoplanet atmospheres.”
The research seeks to answer the question, “why do these planets look the way they do?” By doing so, scientists like Visscher look to explore planetary formation and the processes that shape their atmospheres over time. This information can also be applied to planets in our own Solar System, offering clues about their formation and development.
In the summer of 2023, Visscher served as co-investigator on the JWST project “Exometeorology: Weather on an Isolated World beyond Our Own,” using instruments on JWST to look for weather variations in the atmosphere of a cloudy brown dwarf.
In 2022, Visscher was also awarded a $44,201 grant through SSI for a project called “Precision Tests of the Physics of Mixing in Cool Planetary and Brown Dwarf Atmospheres.”
About Ƶ
As an institution of higher education committed to the Reformed Christian perspective, Ƶ equips students, faculty, alumni, and the broader community to work toward Christ-centered renewal in all aspects of contemporary life. Located in Sioux Center, Iowa, Ƶis a comprehensive university named to the best college lists by U.S. News and World Report, Wall Street Journal, Times Higher Education, Forbes.com, Washington Monthly, and Princeton Review.
Bestselling author and columnist David French to speak at Ƶon November 6
David French, a New York Times columnist and bestselling author, will speak at Ƶ on Monday, November 6 at 11 a.m. in the B.J. Haan Auditorium. His lecture is titled “The Three Commandments of Christian Politics.” This presentation is part of the 2023-24 First Mondays Speaker Series. The community is welcome to attend this free event.
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