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William M. Brish Planetarium

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

Apollo Spacecraft

The William Brish Planetarium is featured at with Skylights, a regular series of podcasts featuring a monthly sky tour, and previews of planetarium programs and special events, along with Tristate Astronomer highlights. and Skylights are made possible by Antietam Cable Television, the Herald Mail Newspaper and the Washington County Public Schools Public Information Office.

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

The Planetarium is in continuous use serving students from pre-school through senior citizen. Under the direction of Chris Kopko (, all programs are presented live with active student participation.

Chris Kopko

2014-2015 Public Programs

Thank you for your support of the Washington County Planetarium. A series of public programs is presented during the school year. A program lineup for the 2014-2015 school year is posted below. Programs are presented the first and fourth Tuesday each month at 5:30 and 7 p.m. if schools are in session that day, unless otherwise noted. Professional days count too, but not holidays or inclement weather days.

Dates5:30 Program7:00 Program
January 8 (Thursday), 27, February 3Zubenelgnubi's Magic Sky (Elementary audience) Follow Zubee as we learn about the sun, moon, planets and constellations.  The fire hydrant, “Hydro” helps us learn and keeps us hydrated.  Be warned, you WILL get wet!!!Bad Astronomy (Middle school through adult audience) - Journey with the “Bad Astronomer” Phil Plait, as he guides us through all the “Bad Astronomy” Myths currently making their rounds!
February 24 (Canceled), March 3, 24Solar System Adventure Tour (Elementary audience) - A simulated flight through the solar system as a passenger on a spaceship.  Planet characteristics are an integral part of the show.  Also includes a current night sky tour. New Horizons (High school through adult audience) - The New Horizons mission is well on its way to study the dwarf planet Pluto.  Come learn about the New Horizon’s spacecraft and its journey through the outer solar system!
April 8 (Thursday), 28, May 5Rumplestiltskin's Starry Sky (Upper elementary through middle school audience) - Take a trip with Grimm’s Fairy Tale character Rumplestiltskin to discover how exploding stars relate to chemistry and the creation of many elements including gold!Let There Be Night (Upper elementary audience through adult audience) - What is light pollution, what are its causes and how can we make subtle changes to bring back the dark skies?  Find out all this and more in the program Let There Be Night! 

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

The phone number is 301-766-2898. The Planetarium is located at 820 Commonwealth Avenue, Hagerstown, MD.

Tristate Astronomers

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