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Plasma astrophysics

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A field of physics that is growing in interest worldwide that tackles such astrophysical phenomena as the source of violent space weather and the formation of stars.

Stewart Prager

Stewart Prager was the sixth director of PPPL. He joined the Laboratory in 2009 after a long career at the University of Wisconsin in Madison. At Wisconsin, he led research on the “Madison Symmetric Torus” (MST) experiment and headed a center that studied plasmas in both the laboratory and the cosmos. He also co-discovered the “bootstrap current” there—a key finding that has influenced the design of today’s tokamaks. He earned his PhD in plasma physics from Columbia University.

Ten stories in 2017 you may have missed, plus a bonus

Throughout 2017 researchers at the U.S. Department of Energy’s (DOE) Princeton Plasma Physics Laboratory (PPPL) have produced new insights into the science of fusion energy that powers the sun and stars and the physics of plasma, the hot, charged state of matter that consists of electrons and atomic nuclei, or ions, and makes up 99 percent of the visible universe. The research advances the development of fusion as a safe, clean and plentiful source of power, produced in doughnut-shaped facilities called tokamaks, and explores the diverse aspects and applications of plasma.

Stewart Prager honored with FPA Distinguished Career Award

Stewart Prager, physicist and long-time fusion energy scientist who was director of the U.S. Department of Energy’s (DOE) Princeton Plasma Physics Laboratory (PPPL) from 2009 to 2016, has been honored with a 2017 Distinguished Career Award from Fusion Power Associates (FPA). Prager, a leading contributor to the advancement of plasma physics and fusion science, received the award at the 38th annual meeting of FPA held Dec. 6-7 in Washington, D.C.

Stewart Prager honored with FPA Distinguished Career Award

Stewart Prager, physicist and long-time fusion energy scientist who was director of the U.S. Department of Energy’s (DOE) Princeton Plasma Physics Laboratory (PPPL) from 2009 to 2016, has been honored with a 2017 Distinguished Career Award from Fusion Power Associates (FPA). Prager, a leading contributor to the advancement of plasma physics and fusion science, received the award at the 38th annual meeting of FPA held Dec. 6-7 in Washington, D.C.

Blowing in the stellar wind: Scientists reduce the chances of life on exoplanets in so-called habitable zones

Is there life beyond Earth in the cosmos? Astronomers looking for signs have found that our Milky Way galaxy teems with exoplanets, some with conditions that could be right for extraterrestrial life. Such worlds orbit stars in so-called “habitable zones,” regions where planets could hold liquid water that is necessary for life as we know it.

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