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Green Bank Observatory

Green Bank Observatory

Green Bank Observatory is home to the largest steerable radio telescope on Earth, a giant white dish as tall as a skyscraper. Scientists use it to listen to faint signals from deep in space.

It sits inside a special quiet zone where cell phones and Wi-Fi are turned off so the telescope can hear the universe. Visitors love the science center with hands-on exhibits and tours that roll right up to the giant dish.

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A Giant Ear for Space

The main telescope is bigger than a football field and can point at any part of the sky. It collects invisible radio waves from stars, planets, and faraway galaxies.

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The Quiet Zone

The whole area is a National Radio Quiet Zone where cell signals and microwaves are limited. This peaceful rule keeps the sky clear so the telescope can hear the tiniest whispers from space.

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Hands-On Science

The science center lets kids touch exhibits, learn how radio waves work, and take a bus tour to the big dishes. Clear dark skies also make it a wonderful place to look at stars at night.