We explore & discover

Scientists at the Department of Terrestrial Magnetism (DTM) bring the perspective of several disciplines to broad questions about nature. DTM's name comes from its original role to chart the Earth's magnetic field. This goal was largely accomplished by 1929. Since then, DTM has evolved to reflect the growing multi-disciplinary nature of the Earth, planetary, and astronomical sciences. Today, the historic goal remains to understand the physical Earth and the universe that is our home.

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Upcoming Events

"Applying and Interviewing for Permanent Academic Positions"
Aki Roberge, Jan Rigby (Postdoctoral Development Workshop Series)
Wednesday, September 28, 2016

"Pointing the Telescope Down: Seismo-vision into the Earth"
Lara Wagner (Neighborhood Lecture Series)
Thursday, October 20, 2016

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Latest articles and news

New Low-Mass Objects Could Help Refine Planetary Evolution

Low Mass Dwarf

When a star is young, it is often still surrounded by a primordial rotating disk of gas and dust, from which planets can form. Astronomers like to find such disks because they might be able to catch the star partway through the planet formation process, but it’s highly unusual to find such disks around brown dwarfs or stars with very low masses. New work from a team led by Anne Boucher of Université de Montréal, and including DTM’s Jonathan Gagné and Jacqueline Faherty, has discovered four new low-mass objects surrounded by disks. The results will be published by The Astrophysical Journal.

Sharon Xeusong Wang Joins the Astronomy Group at DTM as a Postdoctoral Fellow

Sharon Wang

Sharon Xeusong Wang, who received her Ph.D. in astronomy and astrophysics from The Pennsylvania State University in 2016, joins the astronomy group at DTM as a postdoctoral fellow this fall.

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Image Gallery

DTM scientists regularly explore our planet and the universe. Along the way they capture images of stunning landscapes, geophysical processes and data visualizations.

Browse DTM’s online image gallery to share in the journey of scientific exploration and discovery.

Browse Gallery


Erika Nesvold

Erika Nesvold discussed her work on exoplanets and debris disks on Thursday, September 22, as part of DTM's Seminar Series.

Steve Shirey, Rick Carlson and Jesse Reimink conducted a rock sampling field excursion in the remote Northwest Territories of Canada.

Nader Haghighipour

Nader Haghighipour (University of Hawaii) gave a talk on Kepler's discovery of worlds with multiple suns on Thursday, September 19, as part of DTM's Weekly Seminar Series.