Results for "Smithsonian Astrophysical Observatory. Hydrogen Maser Program"

     
    Showing results 85 - 96 of 674 for Smithsonian Astrophysical Observatory. Hydrogen Maser Program
    1. Finding Aid

      SIA Acc. 16-090, Smithsonian Astrophysical Observatory Science Media Group, Productions, 1986-2013

      • Date: 1986 1986-2013
      • Creator: Smithsonian Astrophysical Observatory. Science Media Group
      • Creator: Smithsonian Institution Archives

    2.  
    3. Collection

      Program Files, 1997-2012

      • Date: 1997 1997-2012
      • Creator: Smithsonian Astrophysical Observatory Office of Human Resources

    4.  
    5. Satellite Tracking Program: Station Files, 1957-1964

      Satellite Tracking Program: Station Files, 1957-1964

      • Date: 1957 1957-1964
      • Creator: Smithsonian Astrophysical Observatory Assistant Director (Administration)

    6.  
    7. SI History Chronology

      Magnetic Observatory Discontinued at SI

      • Date: December 31, 1860

    8.  

    9. Introducing the Science Media Group YouTube Playlist

      • Date: June 29, 2021
      • Description: The Smithsonian Institution Archives YouTube channel has a new dedicated playlist for the Science Media Group Collection, which features videos from the Smithsonian Astrophysical Observatory program that was active from 1989 to 2013.

    10.  
    11. Collection

      Satellite Tracking Program: Administrative Files, 1959-1967

      • Date: 1959 1959-1967
      • Creator: Smithsonian Astrophysical Observatory Assistant Director (Administration)

    12.  
    13. SI History Chronology

      Meteorite Recovery Program Makes Progress

      • Date: 1963

    14.  
    15. Blog Post

      Stellar Evolution: A Journey with Chandra

      • Date: April 25, 2012
      • Description: The Chandra X-ray Observatory explains the origins of recently added image of stellar evolution to the Smithsonian Flickr Commons stream.

    16.  
    17. SI History Chronology

      Center for Astrophysics Formed

      • Date: July 1, 1973

    18.  
    19. Finding Aid

      SIA Acc. 08-152, Radio Meteor Project (Harvard College Observatory), Project Records, 1964-1968

      • Date: 1964 1964-1968
      • Creator: Smithsonian Astrophysical Observatory. Radio Meteor Project
      • Creator: Smithsonian Institution Archives

    20.  
    21. Blog Post

      Seeing the Invisible

      • Date: May 11, 2009
      • Description: Throughout May and June, we are inviting people throughout the Smithsonian to talk about photography and astronomy. This is the first installment from Megan Watzke, Press Officer at the Smithsonian Astrophysical Observatory. Most people think of a telescope as something in a backyard or the dome at the local planetarium. And it’s true that many telescopes are designed to

    22.  
    23. Finding Aid

      SIA Acc. 90-050, Smithsonian Institution Office of Grants and Risk Management, Records, circa 1975-1988

      • Date: 1975 1975-1988 circa 1975-1988
      • Creator: Smithsonian Institution. Office of Grants and Risk Management
      • Creator: Smithsonian Institution Archives

    24.  
    Showing results 85 - 96 of 674 for Smithsonian Astrophysical Observatory. Hydrogen Maser Program

    Pages