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Tuesday, September 21, 2004 
 NRAO Home > What is Radio Astronomy? > History > 300-ft telescope

300-Foot Telescope Collapse

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At 9:43 p.m. EST on Tuesday the 15th of November 1988, the 300-foot telescope in Green Bank collapsed. The collapse was due to the sudden failure of a key structural element -- a large gusset plate in the box girder assembly that formed the main support for the antenna.

The loss of the 300-Foot telescope resulted in the Green Bank Telescope Project.

TEL

Photograph of the 300-foot radio telescope taken on November 15, 1988
before the collapse. Click on photo for larger image.

TEL
Photograph of the 300-foot radio telescope taken on November 16, 1988.
The telescope collapsed at 9:43 PM on November 15, 1988. Click on
photo for larger image.

Photos by Richard Porcas

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Modified on Thursday, 27-Mar-2003 15:20:34 MST