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Go to Green Bank to listen to the stars

Visitors to the West Virginia telescope get a close-up with the world’s largest movable land object

6:00am, September 3, 2015
Green Bank Telescope

BIG LISTENER  To eavesdrop on the universe, the Green Bank Telescope requires a quiet location with little interference from human-made radio signals.

Long before we reached Green Bank, W.Va., the gleaming white dish of a massive radio telescope stood out against the lush green vegetation of a remote valley four hours southwest of Washington, D.C. By then, the car radio received only static, and our cellphones hadn’t gotten a signal in hours. To get even closer to the Robert C. Byrd Green Bank Telescope — the world’s largest movable land object — we were required to turn off those useless phones and our digital cameras.

“The big battle we have here is to prevent any interference from getting to our telescope,” says Steve White, leader of the telescope’s microwave engineering group.

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