Do we understand gravity? The GBT says yes!

Einstein’s theory of relativity passes a range of precise tests set by pair of extreme stars

Artistic impression of the Double Pulsar system, where two active pulsars orbit each other in just 147 minutes. The orbital motion of these extremely dense neutron stars causes a number of relativistic effects, including the creation of ripples in spacetime known as gravitational waves. The gravitational waves carry away energy from the systems which shrinks by about 7mm per day as a result. The corresponding measurement agrees with the prediction of general relativity within 0.013%. © Michael Kramer/MPIfR

The National Science Foundation’s Green Bank Telescope (GBT) was one of seven radio telescopes around the world whose combined observations of a Double Pulsar reinforce Albert Einstein’s theory of general relativity.


Moon’s Tycho Crater Revealed in Intricate Detail

Powerful new radar technology will reveal secrets of the Solar System

Partially processed view of the Tycho Crater at a resolution of nearly five meters by five meters and containing approximately 1.4 billion pixels, taken during a radar project by Green Bank Observatory, National Radio Astronomy Observatory, and Raytheon Intelligence & Space using the Green Bank Telescope and antennas in the Very Long Baseline Array. This image covers an area 200km by 175km, which is large enough to contain the 86km-diameter Tycho Crater. Credit: NRAO/GBO/Raytheon/NSF/AUI

NANOGrav & Green Bank Telescope Poised to Make Groundbreaking Discoveries of Gravitational Wave Universe

Moore Foundation supports development of new Ultra Wideband technologies & increases observation time    

Since 2019, the Gordon and Betty Moore foundation has provided two awards totaling $3.5 million to the development of new Ultra Wideband technologies and observation time for NANOGrav on the National Science Foundation’s Green Bank Telescope (pictured left.) The fabrication of the new Ultra Wideband feed is complete and it is now undergoing testing (picture right).

A New Era for Green Bank Observatory, Dr. James M. Jackson Named Director

Dr. James M. Jackson pictured with the Green Bank Telescope, photographed on a trip in 2017.

The Green Bank Observatory (GBO) enters a new era of leadership in October. Dr. James M. Jackson, an internationally known astrophysicist, has accepted the role of director. 

After serving as director for 15 years, Dr. Karen O’Neil will join the scientific staff. O’Neil has led the Observatory since 2006, including overseeing the separation from the National Radio Astronomy Observatory (NRAO) and the successful transition to Green Bank Observatory in 2016. She looks forward to being a longstanding member of the Observatory staff and being a vital part of its continued growth.