Register for a Show

  • All shows are on Tuesday evenings at 7:15 p.m. Doors open at 7:00 p.m.

    Registration is required for each session and opens on the first Monday of each month at approximately noon. Enrollment is limited to the first 40 people who register. 

    Register Online

    You may also register by sending an email to or by calling the planetarium at 703-824-6805 ext. 6300. We do not accept early registrations.

    In order to enable more people to participate in planetarium shows, we cannot honor bulk requests for admission. Please request only the number needed for your family.