The Wootton Center for Astrophysical Plasma Properties is a collaboration between The University of Texas at Austin UT’s McDonald Observatory the Z machine at Sandia National Laboratories the University of Nevada, Reno and the University of Colorado.Flair icons are BoardGameGeek microbadges and are used with permission. “Every experiment we do, we create conditions we’ve never explored before. We don’t know the relationship between the pressure, density, and temperature in there,” says Winget. Also, learning about the interior composition of neutron stars. “We look forward to studying extrasolar planets and their interiors. In the five years covered by the SSAA grant, and beyond, WCAPP plans to devote a significant amount of time to testing astronomical theories. Through their work on the Z machine and NIF, WCAPP researchers are able to transform astronomy into an experimental science and investigate whether established theories hold up when tested. Traditionally, it has largely been an observational science, with researchers building theories based on phenomena they witness in the Universe. This represents a shift in the way astronomy is usually approached. “For now,” says Winget, “it’s the only way to glimpse what the interiors of astronomical objects are like.” Both are capable of generating settings of extreme temperature and pressure by delivering an intense burst of energy to a small target. The Z machine contains the world’s most powerful X-ray source and the NIF has the world’s most powerful laser system.
“We create the conditions in the interior of the sun, the centers of rocky planets, and around supermassive black holes,” says Don Winget, UT Austin professor of astronomy and director of WCAPP.
WCAPP scientists use the Z Pulsed Power Facility (Z machine) at Sandia National Laboratories and the National Ignition Facility (NIF) at Lawrence Livermore National Laboratory to replicate cosmic conditions here on Earth. Because there are many similarities between the conditions within nuclear explosions, reactors, and the cores of stars, much of this expertise is possible through the study of astrophysics – in particular spectroscopy, atomic physics, and plasma physics. nuclear stockpile and developing renewable energy sources. NNSA funds are primarily used to support scientists – in particular postdocs and graduate students – pursuing the education and training necessary to maintaining the U.S. WCAPP is the only recipient that’s dedicated to the study of astronomy. In addition to The University of Texas at Austin, NNSA’s Stewardship Science Academic Alliances (SSAA) Centers of Excellence program selected eight other universities to receive its grants. This is the second time the WCAPP has received the award ( read about the first), bringing the total amount of NNSA funding to $13 million to date. Department of Energy’s National Nuclear Security Administration (NNSA) has awarded The University of Texas at Austin’s Wootton Center for Astrophysical Plasma Properties (WCAPP or Wootton Center) a $6 million grant to continue its research and help train the next generation of scientists.
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