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Open Thursday – Monday, 8:30 a.m. – 4:30 p.m. (CLOSED TUESDAYS & WEDNESDAYS)

Tickets are required for all guided programs and include entry to the Science Center, café, and gift shop.

Tickets are required to control group size, to keep visitors and staff safe.

At this time, occupancy to the Science Center, cafe, and gift shop is limited to ensure safety. Purchase your ticket online before you visit to ensure your reservation.

Masks are required to be worn by those two years and older over nose and mouth while inside Science Center, buses, and participating in any of our activities. THIS IS STRICTLY ENFORCED FOR THE SAFETY OF OUR STAFF AND ALL VISITORS.

See dates, times, and tickets available.

Hungry? Order a boxed lunch to enjoy during your visit!

Need help buying your ticket online? Watch a video.

Visitors at Science Center

Self Guided Tours

It’s always free to take an outdoor self guided tour of our site. Download a map.

Learn more about biking onsite to explore our instruments and trails.


Expand your universe at the Green Bank Science Center!

We are currently closed. Walking tour maps are available here

2021 Closed Dates

April 4 for Easter Holiday
November 23 – November 26 for Thanksgiving Holiday
December 21 – December 25 for Christmas Holiday
December 28 – December 31 for New Year’s Holiday

Student Summer Research Programs at GBO & NRAO Get a Boost from Going Remote

Summer programs welcome highest-ever number of incoming students and mentors
A snapshot of summer students and mentors during a virtual session. Credit: NRAO/AUI/NSF

The summer research programs at the National Radio Astronomy Observatory (NRAO) kicked off in May 2021 with a significant increase in participation. This year’s program welcomed 65 students across all partner locations, a nearly 67-percent increase over the prior year. NRAO and the Green Bank Observatory (GBO) also welcomed 45 mentors to the summer programs—a record number—many of whom are first-time or early-career mentors.

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Four Children of GBO Staff Among Recipients of 2021 AUI Scholarship

AUI has selected the recipients of its 2021 AUI Scholarship, who each will be awarded a $3,500 renewable scholarship ($14,000 over four years to each scholar) to support their academic careers. Fourteen outstanding high school seniors were selected based on their academic achievement, community involvement, and leadership skills. 

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Green Bank Observatory Call for Proposals: 2022A Semester

The Green Bank Observatory (GBO) invites scientists to participate in the 2022A Semester Call for Proposals for the Green Bank Telescope (GBT).  The entire proposal call can be found here. The submission deadline for Semester 2022A proposals is Monday, 2 August 2021, at 17:00 EDT (21:00 UTC).

All proposals should state why the GBT is necessary for the requested observations in both the abstract and science justification.

NEW Virtual Proposal Planning Workshop, Thursday, July 22. Learn more & register.

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2022a Joint Observations with SOFIA

Joint Observations with GBO and SOFIA

This agreement is only between the Green Bank Observatory (GBO) and SOFIA.  It does not apply to any of the NRAO instruments:  VLA, VLBA, ALMA.

By agreement between the GBO and the URSA, SOFIA will be able to award time on the Green Bank Telescope (GBT) to highly ranked proposals that request time on both SOFIA and the GBT. GBO has offered up to 5% of the available open skies time on the Green Bank Telescope (GBT) for allocation by the SOFIA Time Allocation Committee (TAC).

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