Results for "Smithsonian Astrophysical Observatory. High Energy Astrophysics Division"

 
Showing results 301 - 312 of 1082 for Smithsonian Astrophysical Observatory. High Energy Astrophysics Division
  1. Mt. Wilson, California

    Mt. Wilson, California

    • Date: c. early 20th century
    • Creator: Unknown
    • Creator: Unknown

  2.  
  3. Finding Aid

    SIA RU009597, Walter Shropshire Oral History Interviews, 1998-2000

    • Date: 1998 1998-2000
    • Creator: Shropshire, Walter, interviewee
    • Creator: Smithsonian Institution Archives

  4.  
  5. SI History Bibliography

    The Smithsonian Institution: A Description of Its Work

    • Date: 1951

  6.  
  7. Blog Post

    Smithsonian Scientists at Work

    • Date: April 20, 2017
    • Description: [view:sia_slideshow==75408]Scientific research has been integral to the Smithsonian, from its founding to today. The Smithsonian's founder, Englishman James Smithson, saw in the U.S. (according to his biographer, Heather Ewing) "a place of the future" that could support "science and progress for humanity." He believed that scientists were "citizens of the world" and that the

  8.  
  9. Dr. Earl S. Johnston

    Dr. Earl S. Johnston

    • Date: March 1936
    • Creator: Tolman, Ruel P (Ruel Pardee) 1878-1954
    • Creator: Tolman, Ruel P (Ruel Pardee) 1878-1954

  10.  
  11. Smithsonian Legal Document

    An Act To authorize the Smithsonian Institution to plan and construct facilities for certain science activities of the Institution, and for other purposes

    • Date: 1989 09/30/1986
    • Creator: 99th Congress. Sess. 2, 1986
    • Creator: 99th Congress. Sess. 2, 1986

  12.  
  13. Finding Aid

    SIA Acc. 08-112, Emmons, Richard H. 1919-2005, Richard H. Emmons Papers, circa 1935-1976, 1990-1991, 1995-1996, 2005

    • Date: 1935 1935-1976 circa 1935-1976, 1990-1991, 1995-1996, 2005
    • Creator: Emmons, Richard H., 1919-2005
    • Creator: Smithsonian Institution Archives

  14.  
  15. SAO Staffers at Work

    SAO Staffers at Work

    • Creator: Smithsonian Astrophysical Observatory
    • Creator: Smithsonian Astrophysical Observatory

  16.  
  17. Samuel Pierpont Langley and the Personal Equation Problem

    • Date: April 12, 2018
    • Description: The term “personal equation” came into use in the 19th century as scientists found that observers have inherent biases: some anticipate events, and some report events after they have occurred. Recognition of the problem led to a spate of personal equation instruments: some measured biases of this sort, and some reduced the effect of personal errors. Most of these

  18.  
  19. SI History Chronology

    Dr. Eva J. Pell Appointed Under Secretary for Science

    • Date: August 13, 2009

  20.  
  21. Baker-Nunn Camera

    Baker-Nunn Camera

    • Date: c. 1958
    • Creator: Smithsonian Astrophysical Observatory
    • Creator: Smithsonian Astrophysical Observatory

  22.  
  23. Space Science Building (SAO), Cambridge, MA

    Space Science Building (SAO), Cambridge, MA

    • Date: c. 1960s
    • Creator: Smithsonian Astrophysical Observatory
    • Creator: Smithsonian Astrophysical Observatory

  24.  
Showing results 301 - 312 of 1082 for Smithsonian Astrophysical Observatory. High Energy Astrophysics Division

Pages