• Registration Information 

    Register now for 2nd quarter.  Registration for First Quarter has closed.

     First Quarter Program Descriptions

     Second Quarter Registration Form

    Second Quarter Program Descriptions

     3rd Quarter Program Descriptions
     4th Quarter Program Descriptions
    Registration for 3rd & 4th Quarter will open in late October.
     HBOSC is exempt from PGCPS ADMIN PROCEDURE 6153 for field trip requirements

  • Contact Us


    Owens Building

    9601 Greenbelt Road
    Lanham, MD 20706  
    Tel: 301.918.8750
    Fax: 301.918.8753  

    Program Administrator
    Traketa Wray


    Follow us on twitter 


  • Professional Development 

    Check here for great  professional learning opportunities for PGCPS teachers.

    To attend any of these PLO events, unless otherwise stated, 

    • you must be a current PGCPS teacher
    • you must register in ERO

    Look for these topics and more in the Fall of 2017

    STEM Academy
    Teaching & Learning Under the Stars


  • Preparing Students for the 21st Century and Beyond!     Preparing Students for the 21st Century and Beyond!            Preparing Students for the 21st Century and Beyond!
  • Planetarium Patty Receives Distinguished Service Award
    Ozobots at HBOSC
    Visiting 3rd and 4th grade students participating in the Science Center’s “Ozobot Bit Computer Science Engineering Program” will learn about remote sensing robotic platforms and basics of program coding.  Register Now!
    Teachers make Telescopes at HBOSC
    HBOSC train for new Expedition Mars Mission
    Concert Under the Stars
    New Horizons Group Achievement Award
    Colliding Visions: A Concert Under the Stars Event
    Community Partnerships make new Program a Success
    WSSC workers build water walls with HBOSC staff for new STEM program.
    Join us for Public Planetarium Nights this Fall
    Mark your calendar for Oct. 6, Nov. 17 and Dec. 8!
    Celebrate World Space Week
    Lots of great ideas for families!
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  • Women of Color
     Print out NASA's Women of Color Lithograph

    This is a beautiful lithograph to celebrate NASA's dedication to diversity and equality in space exploration and beyond.  This was coordinated with the release of the film "Hidden Figures" about Katherine Johnson and her work during the Apollo era, released in 2017.    Also check out these  Women at NASA videos. Courtesy of NASA and the Museum Alliance.

  • Upcoming Events    
  • Planetarium Programs

    Friday Night Planetarium Programs
     Friday, October 6
    Mission Investigation: Mars!

    Tour the Red Planet as observed from space through the eyes of Mars Observer and from the ground through the eyes of rovers such as Curiosity. Read more!

    Planetarium shows usually occur on the 2nd Friday of each month. Cost is $5 for adults; $3 for teachers/seniors/students and children under 3 are free.  

    Family STEM Nights

    Nov. 9, 2017
    6:00 PM- 8:30 PM
    Mark your calendar now and bring the whole family!  (FREE)

  • Quick Links