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Active galaxies

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• Galaxies

• Active galaxies -- Study and teaching (Secondary)

• Galaxies, Active

• Educator's guide with activities in science and mathematics (Sonoma State University, NASA Education and Public Outreach, 2003), by Sonoma State University. NASA Education and Public Outreach Group and United States National Aeronautics and Space Administration (page images at HathiTrust)

Items below (if any) are from related and broader terms.

• Brookhaven lecture series : galaxies (Brookhaven National Laboratory ;, 1962), by Otto Struve, Brookhaven National Laboratory, and U.S. Atomic Energy Commission (page images at HathiTrust)

• A revised Shapley-Ames catalog of bright galaxies : containing data on magnitudes, types, and redshifts for galaxies in the original Harvard survey, updated to summer 1986, also contains a selection of photographs illustrating the luminosity classification and a list of additional galaxies that satisfy the magnitude limit of the original catalog (Carnegie Institution of Washington, 1987), by Allan Sandage and G. A. Tammann (page images at HathiTrust)

• A revised Shapley-Ames catalog of bright galaxies : containing data on magnitudes, types, and redshifts for galaxies in the original Harvard survey, updated to summer 1980, also contains a selection of photographs illustrating the luminosity classification and a list of additional galaxies that satisfy the magnitude limit of the original catalog (Carnegie Institution of Washington, 1981), by Allan Sandage and G. A. Tammann (page images at HathiTrust)

• The physical characteristics of the x-ray emitting gas in clusters of galaxies and constraints on dark matter (NASA Goddard Space Flight Center, Laboratory for Space Sciences, 1985), by Mark Jeffrey Henriksen (page images at HathiTrust)

• Star formation in galaxies : proceedings of a conference held at the California Institute of Technology, Pasadena, California, June 16-19, 1986 (National Aeronautics and Space Administration, Scientific and Technical Information Branch, 1987), by United States. Office of Space Science and Applications (page images at HathiTrust)
• The Energetic Gamma-Ray Experiment Telescope (EGRET) Science Symposium : proceedings of a science symposium held at NASA Goddard Space Flight Center, Greenbelt, Maryland, November 15-16, 1989 (National Aeronautics and Space Administration, 1990), by Carl Fichtel and United States. National Aeronautics and Space Administration. Scientific and Technical Information Division (page images at HathiTrust)
• Paired and interacting galaxies : International Astronomical Union Colloquium no. 124 (National Aeronautics and Space Administration, Office of Management, Scientific and Technical Information Division, 1990), by Ala.) International Astronomical Union. Colloquium 1989 : Tuscaloosa, C. M. Telesco, W. C. Keel, Jack W. Sulentic, United States National Aeronautics and Space Administration, and University of Alabama (page images at HathiTrust)
• The interstellar medium in external galaxies : summaries of contributed papers (National Aeronautics and Space Administration, 1990), by Wyo.) Wyoming Conference (2nd : 1989 : Grand Teton National Park, Harley A. Thronson, and David J. Hollenbach (page images at HathiTrust)
• Proceedings of the GRO science workshop (Goddard Space Flight Center, 1989), by Gamma Ray Observatory Science Workshop (1989 : Goddard Space Flight Center), W. Neil Johnson, and Goddard Space Flight Center (page images at HathiTrust)
• The Structure and content of the galaxy and galactic gamma rays : a symposium sponsored by Goddard Space Flight Center, Greenbelt, Maryland, June 2-4, 1976 (Scientific and Technical Information Office, National Aeronautics and Space Administration ;, 1977), by Floyd W. Stecker, Carl E. Fichtel, and Goddard Space Flight Center (page images at HathiTrust)
• Star formation in galaxies : proceedings of a conference at the California Institute of Technology, Pasadena, California, June 16-19, 1986 (National Aeronautics and Space Administration, Scientific and Technical Information Branch, 1987), by Carol J. Lonsdale Persson and United States National Aeronautics and Space Administration (page images at HathiTrust)

• Collisionless galaxy simulations (National Aeronautics and Space Administration, Scientific and Technical Information Office ;, 1979), by Frank Hohl, John B. Miller, Thomas A. Zang, Langley Research Center, and United States. National Aeronautics and Space Administration. Scientific and Technical Information Office (page images at HathiTrust)

• SETI : search for extra-terrestrial intelligence. (National Aeronautics and Space Administration ;, 1990), by United States National Aeronautics and Space Administration (page images at HathiTrust)
• Dynamical evolution of disk galaxies. (National Aeronautics and Space Administration; [for sale by the Clearinghouse for Federal Scientific and Technical Information, Springfield, Va.], 1970), by Frank Hohl (page images at HathiTrust; US access only)
• Computer experiments on the structure and dynamics of spiral galaxies (National Aeronautics and Space Administration ;, 1972), by Frank Hohl, Langley Research Center, and United States National Aeronautics and Space Administration (page images at HathiTrust)

• Origins roadmap 2003 (National Aeronautics and Space Administration, Jet Propulsion Laboratory, 2003), by United States. Space Science Advisory Committee. Astronomical Search for Origins & Planetary Systems Subcommittee and United States. Office of Space Science (page images at HathiTrust)
• Roadmap for the Office of Space Science origins theme (National Aeronautics and Space Administration, 1995), by United States. Space Science Advisory Committee. Astronomical Search for Origins & Planetary Systems Subcommittee (page images at HathiTrust)

• Mikrometrische Vermessung des Sternhaufens N.G.C. 6633 (G.C. 4410) (G. Braun, 1913), by Willy Kruse (page images at HathiTrust; US access only)

• Extragalactic astronomy : the universe beyond our galaxy (National Aeronautics and Space Administration : for sale by the Supt. of Docs., U.S. Govt. Print. Off., 1976), by Kenneth Charles Jacobs, National Science Foundation (U.S.), United States National Aeronautics and Space Administration, and University of Virginia. Leander McCormick Observatory (page images at HathiTrust)

• A T-matrix theory of galactic heavy-ion fragmentation (National Aeronautics and Space Administration, Scientific and Technical Information Branch ;, 1985), by John W. Norbury, Philip A. Deutchman, Lawrence W. Townsend, and Langley Research Center (page images at HathiTrust)
• The edge of the polar plateau for galactic cosmic rays and their charged albedo (National Aeronautics and Space Administration :, 1964), by James Alfred Van Allen, W. C. Lin, United States National Aeronautics and Space Administration, and State University of Iowa (page images at HathiTrust)
• Calculation of energy deposition distributions for simple geometries (National Aeronautics and Space Administration ;, 1973), by John W. Watts and George C. Marshall Space Flight Center (page images at HathiTrust)
• The statistical mechanism of the acceleration of particles on the sun and in stellar shells (Oak Ridge, Tennessee : U.S. Atomic Energy Commission, Technical Information Service, 1954., 1954), by V. L. Ginzburg, U.S. Atomic Energy Commission, and National Science Foundation (U.S.) (page images at HathiTrust)
• Radiation monitoring with nuclear emulsions on Project Gemini. III. The flux of galactic heavy primaries on Gemini VII (Pensacola, Florida.: Naval Aerospace Medical Institute, Naval Aviation Medical Center, 1967., 1967), by Hermann J. Schaefer, Jeremiah J. Sullivan, United States National Aeronautics and Space Administration, Naval Aerospace Medical Institute (U.S.), United States Navy Department Bureau of Medicine and Surgery, and Manned Spacecraft Center (U.S.) (page images at HathiTrust)
• Public health aspects of galactic radiation exposure in supersonic transport (Pensacola, Florida.: Naval Aerospace Medical Institute, Naval Aviation Medical Center, 1968., 1968), by Hermann J. Schaefer, United States Navy Department Bureau of Medicine and Surgery, United States. National Aeronautics and Space Administration. Office of Advanced Research and Technology, and Naval Aerospace Medical Institute (U.S.) (page images at HathiTrust)
• Radiation measurements at supersonic transport altitude with balloon-borne nuclear emulsions (Pensacola, Florida.: U.S. Naval Aerospace Medical Institute, U.S. Naval Aviation Medical Center, 1969., 1969), by Hermann J. Schaefer, Naval Aerospace Medical Institute (U.S.), Langley Research Center, United States Navy Department Bureau of Medicine and Surgery, and United States National Aeronautics and Space Administration (page images at HathiTrust)

• Studies of the nebulae made at the Lick observatory, University of California, at Mount Hamilton, California, and Santiago, Chile. (University of California press, 1918), by Lick Observatory, William Hammond Wright, Ralph Elmer Wilson, J. H. Moore, William Wallace Campbell, and Heber Doust Curtis (page images at HathiTrust)
• A general catalogue of nebulæ and clusters of stars, arranged in order of right ascension and reduced to the common epoch 1860.0 (with precessions computed for the epoch 1880.0) (Printed by Taylor & Francis, 1864), by John F. W. Herschel (page images at HathiTrust)
• Beyond the milky way (C. Scribner's Sons, 1926), by George Ellery Hale (page images at HathiTrust)
• Views of the architecture of the heavens. (H. A. Chapin & co., 1840), by J. P. Nichol (page images at HathiTrust)
• A selection of photographs of stars, star-clusters and nebulæ, together with information concerning the instruments and the methods employed in the pursuit of celestial photography. (The Universal press, 1893), by Isaac Roberts (page images at HathiTrust; US access only)
• Photographs of nebulae and clusters made with the Crossley reflector (W.W. Shannon, superintendent of state printing, 1908), by James Edward Keeler (page images at HathiTrust; US access only)
• A general catalogue of the radial velocities of stars, nebulae and clusters. ([University of California Press], 1932), by J. H. Moore (page images at HathiTrust)
• Photographic investigations of faint nebulae ... (The University of Chicago press, 1920), by Edwin Hubble (page images at HathiTrust)
• The relations of the globular clusters and spiral nebulæ to the stellar system; an attempt to estimate their parallaxes. (Almqvist & Wiksells Boktryckeri-a.-b., 1920), by Knut Emil Lundmark (page images at HathiTrust; US access only)
• Miscellaneous papers on nebulae. (1900) (page images at HathiTrust; US access only)
• Nebulae and comets. (T. Nelson, 1884) (page images at HathiTrust)
• The nebulae; a fragment of astronomical history. (Parker and co., 1882), by Archibald E. Garrod and University of Oxford. Johnson memorial prize essay (page images at HathiTrust)
• First [-sixth] note on W. Herschel's observations of extended nebulous fields. (Printed by Neill, 1926), by Johann G. Hagen (page images at HathiTrust; US access only)
• Photographic determination of the positions of stars and nebulous knots in the region of the great nebula of Andromeda ... (University of Michigan, Detroit observatory, 1923), by Julia May Hawkes (page images at HathiTrust)
• Gaseous nebulae and the interstellar medium [notes] Graduate course, University of Michigan, 1st semester 1960/61. ([Ann Arbor, 1963), by H. Zanstra (page images at HathiTrust)
• Abundances of elements in stars and nebulae. ([Ann Arbor, Mich.,], 1962), by Lawrence H. Aller and University of Michigan. Astronomy Department (page images at HathiTrust)
• Calculations of electron excitation of forbidden lines occurring in gaseous nebulae; a report of the progress under Contract no. Nonr-2320(00), NR 046-744 between the Office of Naval Research and the University of Detroit. (University of Detroit, 1961), by Stanley J Czyzak and University of Detroit (page images at HathiTrust)
• Views of the architecture of the heavens. In a series of letters to a lady. (W. Tait; [etc., etc.], 1839), by J. P. Nichol (page images at HathiTrust)
• Siderum nebulosorum observationes havnienses institutae in secula universitatis per tubum sedecimpedalem Merzianum, ab anno 1861 ad annum 1867. (typis B. Luni, 1867), by Heinrich Louis d' Arrest, Kongelige Danske videnskabernes selskab, and Københavns universitet. Astronomisk observatorium (page images at HathiTrust)
• The Hubble atlas of galaxies. (Carnegie Institution of Washington, 1961), by Allan Sandage and Edwin Hubble (page images at HathiTrust)
• Development of the revived Herschellian hypothesis respecting white nebulae (Carnegie Institution, 1917), by Thomas C. Chamberlin (page images at HathiTrust)
• The Gum Nebula and related problems; the proceedings of a symposium held at the Goddard Space Flight Center, May 18, 1971. (Scientific and Technical Information Office, National Aeronautics and Space Administration; [for sale by the National Technical Information Service, Springfield, Va.], 1973), by Goddard Space Flight Center (page images at HathiTrust)
• The stellar heavens. An introduction to the study of the stars and nebulæ (Chatto & Windus, 1903), by J. Ellard Gore (page images at HathiTrust)
• The system of the stars (Longmans, Green, and Co., 1890), by Agnes M. Clerke (page images at HathiTrust)
• Undersogelser over de nebulose stjerner i henseende til deres spektralanalytische egenskaber. (Kjobenhavn, 1872), by Heinrich Louis d' Arrest (page images at HathiTrust)
• Observations de nebuleuses et d'amas stellaires. (Gauthier-Villars, 1884), by G. Bigourdan and Observatoire de Paris (page images at HathiTrust)
• A new general catalogue of nebulae and clusters of stars, being the catalogue of the late Sir John F.W. Herschel. (Royal Astronomical Society, 1888), by J. L. E. Dreyer and John F. W. Herschel (page images at HathiTrust)
• The sun's place in nature (Macmillan and co., limited;, 1897), by Norman Lockyer (page images at HathiTrust)
• Observations de la grande nébuleuse d'Orion : faites à Cazan et à Poulkova (St. Petersbourg, 1862), by Otto Struve (page images at HathiTrust)
• The architecture of the heavens (J. W. Parker, 1850), by J. P. Nichol (page images at HathiTrust)
• A supplement to Sir John Herschel's "General catalogue of nebulae and clusters of stars." (The (Royal Irish) Academy, 1878), by J. L. E. Dreyer and John F. W. Herschel (page images at HathiTrust)
• Second index catalogue of nebulae and clusters of stars; containing objects found in the years 1895 to 1907 (Royal Astronomical Society, 1908), by J. L. E. Dreyer and John F. W. Herschel (page images at HathiTrust)
• Beobachtungen von Nebelflecken und Sternhaufen am sechsfüssigen Refractor und zwölfüssigen Aequatoreal der Leipziger Sternwarte (Wilhelm Engelmann, 1867), by H. C. Vogel and Leipziger Sternwarte (page images at HathiTrust)
• Observations de nébuleuses et d'amas stellaires (Gauthier-Villars, 1907), by G. Bigourdan (page images at HathiTrust; US access only)
• Views of the architecture of the heavens. (Dayton & Newman, 1842), by J. P. Nichol (page images at HathiTrust)
• A study of certain nebulae ... ([Berkeley, 1917), by Warren K. Green (page images at HathiTrust)
• A study of certain nebulae for evidences of polarization effects ... ([Berkeley, 1920), by William Ferdinand Meyer (page images at HathiTrust)
• An account of the observations on the great nebula in Orion, made at Birr Castle, with the 3-feet and 6-feet telescopes, between 1848 and 1867. With a drawing of the nebula. ([London, 1868), by Laurence Parsons Rosse (page images at HathiTrust)
• Charts and micrometrical measures of nebulæ, made in the years 1884, 1885, and 1886 (Pub. by authority of the Board of Directors of the University, 1891), by Jermain G. Porter (page images at HathiTrust)
• Observations of nebulae and clusters of stars made with the six-foot and three-foot reflectors at Birr Castle, from the year 1848 up to the year 1878. (Royal Dublin Society, 1880), by William Parsons Rosse (page images at HathiTrust)
• The architecture of the heavens. (Hippolyte Bailliere, 1851), by J. P. Nichol (page images at HathiTrust)
• Nebulæ and comets. (T.Nelson and Sons, 1870) (page images at HathiTrust)
• Architecture of the heavens (W. Tait ;, 1845), by J. P. Nichol (page images at HathiTrust)
• Photographic investigations of faint nebulae, by Edwin Hubble (Gutenberg ebook)
• Extra-galactic nebulae, by Edwin Hubble (Gutenberg ebook)
• Photographs of Nebulæ and Clusters, Made with the Crossley Reflector, by James Edward Keeler (Gutenberg ebook)

More items available under broader and related terms at left.