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William M. Brish Planetarium

space capsuleThe William M. Brish Planetarium is under the jurisdiction of Washington County, Maryland, Public Schools and is located at 820 Commonwealth Avenue, Hagerstown.

You can learn more about the William Brish Planetarium at the Planetarium Weebly site.

The Planetarium has been closed because of COVID-19 restrictions. Typically, the Planetarium is in continuous use serving students from pre-school through senior citizen. Under the direction of Alicia Robertson, all programs are presented live with active student participation.

Summer 2020

Even though the William Brish Planetarium remains closed, a summer opportunity is available to students up through 5th grade. The Junior Astronomers Program gives young learners plenty of fascinating acitivities and information about astronomy. A program booklet is available on the Junior Astronomers Program page of the Planetarium website at Children who complete the booklet over the summer can bring it to the William Brish Planetarium when it reopens and redeem for:

  • William Brish Planetarium Junior Astronomer certificate
  • William Brish Planetarium Junior Astronomer patch
  • Free admission for two people to an evening show at the William Brish Planetarium

No special equipment is needed, just curiosity!


Thank you for your support of the Washington County Planetarium. A series of public programs is presented during the school year. Programs are presented if schools are in session that day, unless otherwise noted. Professional days count too, but not holidays or inclement weather days.


More details about programs for the upcoming school year will be forthcoming.


  • Adults: $3
  • Children & Students: $2 (Family: $10 maximum)
  • Senior Citizens w/WCPS Gold Card: Free


Adults interested in astronomy may also participate in the Tristate Astronomers.  Tristate Astronomers' meetings are held the third Wednesday of each month (September through May) at 7:30 p.m. at the planetarium. Star parties are scheduled monthly.

Click here to contact the club president.