Holmdel Horn Antenna

Holmdel Horn Antenna

Holmdel Horn Antenna

In the mid-1960s, two radio astronomers, Arno Penzias and Robert Wilson, detected leftover, cooled down radiation from the early Universe by carefully scanning the sky with a device called the Holmdel Horn Antenna. Their discovery of what was later called the cosmic microwave background radiation (CMB) is important evidence in support of the Big Bang theory and won them the Nobel prize.

The horn antenna, which is located in Holmdel, New Jersey, is now a recorded as a historic landmark by the United States National Park Service.

Image: The Holmdel Horn Antenna (credit: NASA)

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Holmdel Horn Antenna

Introduction

This device was used to discover the cosmic microwave background radiation.

About Holmdel Horn Antenna

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