Astrophysics

Early 1900s comparison of elemental, solar, and stellar spectra Astrophysics is a science that employs the methods and principles of physics and chemistry in the study of astronomical objects and phenomena. As one of the founders of the discipline, James Keeler, said, astrophysics "seeks to ascertain the nature of the heavenly bodies, rather than their positions or motions in space–''what'' they are, rather than ''where'' they are", which is studied in celestial mechanics.

Among the subjects studied are the Sun (solar physics), other stars, galaxies, extrasolar planets, the interstellar medium and the cosmic microwave background. Emissions from these objects are examined across all parts of the electromagnetic spectrum, and the properties examined include luminosity, density, temperature, and chemical composition. Because astrophysics is a very broad subject, ''astrophysicists'' apply concepts and methods from many disciplines of physics, including classical mechanics, electromagnetism, statistical mechanics, thermodynamics, quantum mechanics, relativity, nuclear and particle physics, and atomic and molecular physics.

In practice, modern astronomical research often involves a substantial amount of work in the realms of theoretical and observational physics. Some areas of study for astrophysicists include their attempts to determine the properties of dark matter, dark energy, black holes, and other celestial bodies; and the origin and ultimate fate of the universe. Topics also studied by theoretical astrophysicists include Solar System formation and evolution; stellar dynamics and evolution; galaxy formation and evolution; magnetohydrodynamics; large-scale structure of matter in the universe; origin of cosmic rays; general relativity, special relativity, quantum and physical cosmology (the physical study of the largest-scale structures of the universe), including string cosmology and astroparticle physics. Provided by Wikipedia

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    by Aylor, K., Hou, Z., Knox, L., Story, K. T., Benson, B. A., Bleem, L. E., Carlstrom, J. E., Chang, C. L., Cho, H-M., Chown, R., Crawford, T. M., Crites, A. T., Haan, T. de, Dobbs, M. A., Everett, W. B., George, E. M., Halverson, N. W., Harrington, N. L., Holder, G. P., Holzapfel, W. L., Hrubes, J. D., Keisler, R., Lee, A. T. Univ. of California, Berkeley, CA . Department of Physics, Lawrence Berkeley National Lab. , Berkeley, CA . Physics Division, Leitch, E. M. Univ. of Chicago, IL . Kavli Institute for Cosmological Physics and Department of Astronomy and Astrophysics, Luong-Van, D. Univ. of Chicago, IL, Marrone, D. P. Univ. of Arizona, Tucson, AZ . Steward Observator, McMahon, J. J. Univ. of Michigan, Ann Arbor, MI . Department of Physics, Meyer, S. S. Univ. of Chicago, IL . Kavli Institute for Cosmological Physics, Department of Astronomy and Astrophysics, Department of Physics, and Enrico Fermi Institute, Millea, M. Univ. of California, Davis, CA . Department of Physics, Mocanu, L. M. Univ. of Chicago, IL . Kavli Institute for Cosmological Physics and Department of Astronomy and Astrophysics, Mohr, J. J. Ludwig-Maximilians-Universität, München . Faculty of Physics; Excellence Cluster Universe, Garching, Max-Planck-Institut für extraterrestrische Physik, Garching, Natoli, T. University of Toronto, ON . Dunlap Institute for Astronomy & Astrophysics, Omori, Y. McGill Univ., Montreal, QC . Department of Physics and McGill Space Institute, Padin, S. Univ. of Chicago, IL . Kavli Institute for Cosmological Physics and Department of Astronomy and Astrophysics, Pryke, C. Univ. of Chicago, IL . Kavli Institute for Cosmological Physics and Department of Astronomy and Astrophysics, Reichardt, C. L. Univ. of California, Berkeley, CA, University of Melbourne, Parkville, VIC . School of Physics, Ruhl, J. E. Case Western Reserve University, Cleveland, OH . Physics Department, Center for Education and Research in Cosmology and Astrophysics, Sayre, J. T. Univ. of Colorado, Boulder, CO . Center for Astrophysics and Space Astronomy, Department of Astrophysical and Planetary Sciences; Case Western Reserve University, Cleveland, OH . Physics Department, Center for Education and Research in Cosmology and Astrophysics, Schaffer, K. K. Univ. of Chicago, IL . Kavli Institute for Cosmological Physics and Enrico Fermi Institute; School of the Art Institute of Chicago, IL . Liberal Arts Department, Shirokoff, E. Univ. of Chicago, IL . Kavli Institute for Cosmological Physics and Department of Astronomy and Astrophysics; Univ. of California, Berkeley, CA . Department of Physics, Staniszewski, Z. Case Western Reserve University, Cleveland, OH . Physics Department, Center for Education and Research in Cosmology and Astrophysics; California Inst. of Technology , Pasadena, CA . Jet Propulsion Laboratory, Stark, A. A. Harvard-Smithsonian Center for Astrophysics, Cambridge, MA, Vanderlinde, K. University of Toronto, ON . Dunlap Institute for Astronomy & Astrophysics and Department of Astronomy & Astrophysics, Vieira, J. D. University of Illinois at Urbana-Champaign, Urbana, IL . Astronomy Department and Department of Physics, Williamson, R. Univ. of Chicago, IL . Kavli Institute for Cosmological Physics and Department of Astronomy and Astrophysics
    Published in The Astrophysical Journal (2022)
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    by McDonald, M., Stalder, B., Bayliss, M. Harvard-Smithsonian Center for Astrophysics, Cambridge, MA, Harvard Univ., Cambridge, MA . Dept. of Physics, Allen, S. W. Stanford Univ., CA . Kavli Inst. for Particle Astrophysics and Cosmology; Stanford Univ., CA . Dept. of Physics; SLAC National Accelerator Lab., Menlo Park, CA, Applegate, D. E. Argelander-Inst. for Astronomy, Bonn, Ashby, M. L. N. Harvard-Smithsonian Center for Astrophysics, Cambridge, MA, Bautz, M. Massachusetts Inst. of Technology , Cambridge, MA . Kavli Inst. for Astrophysics and Space Research, Benson, B. A. Fermi National Accelerator Lab. , Batavia, IL, Univ. of Chicago, IL . Kavli Inst. for Cosmological Physics; Univ. of Chicago, IL . Dept. of Astronomy and Astrophysics, Bleem, L. E. Univ. of Chicago, IL . Kavli Inst. for Cosmological Physics; Argonne National Lab. , Argonne, IL, Univ. of Chicago, IL . Dept. of Physics, Brodwin, M. Univ. of Missouri, Kansas City, MO . Dept. of Physics and Astronomy, Carlstrom, J. E. Univ. of Chicago, IL . Kavli Inst. for Cosmological Physics; Univ. of Chicago, IL . Dept. of Astronomy and Astrophysics; Argonne National Lab. , Argonne, IL, Univ. of Chicago, IL . Dept. of Physics; Univ. of Chicago, IL . Enrico Fermi Inst., Chiu, I. Ludwig Maximilian Univ., Munich . Dept. of Physics, Desai, S. Ludwig Maximilian Univ., Munich . Dept. of Physics; Excellence Cluster Universe, Garching, Gonzalez, A. H. Univ. of Florida, Gainesville, FL . Dept. of Astronomy, Hlavacek-Larrondo, J. Univ. of Montreal, Quebec . Dept. of Physics, Holzapfel, W. L. Univ. of California, Berkeley, CA . Dept. of Physics, Marrone, D. P. Univ. of Arizona, Tucson, AZ . Steward Observatory, Miller, E. D. Massachusetts Inst. of Technology , Cambridge, MA . Kavli Inst. for Astrophysics and Space Research, Reichardt, C. L. Univ. of Melbourne . School of Physics, Saliwanchik, B. R. Case Western Reserve Univ., Cleveland, OH . Physics Dept. Center for Education and Research in Cosmology and Astrophysics, Saro, A. Ludwig Maximilian Univ., Munich . Dept. of Physics, Schrabback, T. Argelander-Inst. for Astronomy, Bonn, Stanford, S. A. Univ. of California, Davis, CA . Dept. of Physics, Stark, A. A. Harvard-Smithsonian Center for Astrophysics, Cambridge, MA, Vieira, J. D. Univ. of Illinois, Urbana, IL . Dept. of Astronomy. Dept. of Physics, Zenteno, A. Cerro Tololo Inter-American Observatory , La Serena
    Published in The Astrophysical Journal (2022)
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    Contributors: ...Particle Physics and Astrophysics...
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    by Fissel, Laura Marion
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    Contributors: ...Astronomy and Astrophysics...
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    Thesis
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    by Gandilo, Natalie
    Published 2016
    Contributors: ...Astronomy and Astrophysics...
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    by Shariff, Jamil Aly
    Published 2016
    Contributors: ...Astronomy and Astrophysics...
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    by Padilla, Ivan
    Published 2019
    Contributors: ...Astronomy and Astrophysics...
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    Thesis
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    by McDonald, M.
    Published 2019
    Contributors: ...MIT Kavli Institute for Astrophysics and Space Research...
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