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Department of Earth, Atmospheric, and Planetary Sciences

The Department of Earth, Atmospheric, and Planetary Sciences has a great diversity of programs and intersecting disciplines, with faculty and students studying in fields such as Tectonics, Geophysics, Atmospheric Dynamics and Chemistry, Environmental Sciences, Biogeochemistry, Climate Change, Severe Weather, Planetary Sciences, Astrobiology, Data Science, and many other areas. We are committed to strategic initiatives in Diversity and Inclusion, Education, Interconnections between the Earth’s interior and surface, climate and sustainability, planetary exploration and spacecraft missions, and the development of emerging fields of study.

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News

Satellites are burning up in the upper atmosphere – and we still don’t know what impact this will have on the Earth’s climate

THE CONVERSATION — Atmospheric scientists are increasingly concerned that the space sector will cause further climate change down on Earth. One team recently, and unexpectedly, found potential ozone-depleting metals from spacecraft in the stratosphere, the atmospheric layer where the ozone layer is formed. Dan Cziczo, professor and head of Purdue EAPS, is cited in this article in The Conversation.

The science behind leap years

WLFI — Why do we have leap years? David Minton, associate professor of planetary sciences at Purdue, explains why leap years are necessary in an interview with WLFI.

Odysseus completes first US moon landing in 50 years: How did it unfold?

ALJAZEERA — Technical issues forced Odysseus to take an extra lap around the moon, but the craft carrying NASA cargo has landed safely. Ali Bramson, of Purdue EAPS, is quoted in this article by Aljazeera.

How is snow made? An atmospheric scientist describes the journey of frozen ice crystals from clouds to the ground

THE CONVERSATION — The thought of snow can conjure up images of powdery slopes, days out of school or hours of shoveling. For millions of people, it’s an inevitable part of life – but you may rarely stop to think about what made the snow. Alexandria Johnson, professor of atmospheric and planetary sciences, explains how snow is made in this piece she penned for The Conversation.

Interview with Dr. Daniel Cziczo (International Excellence Fellow 2023)

KIT — Daniel Cziczo, Professor and Head of the Department of Purdue EAPS, spent two months as an International Excellence Fellow of KIT in 2023 where he joined the research group of Ottmar Möhler at the Institute of Meteorology and Climate Research of KIT. In this interview, Cziczo and his host Möhler talk about their collaboration in the past and during Cziczo's research stay in 2023, which paved the way for further joint projects.

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