Americanphysicist. Using a sensitive horn antenna at Bell Laboratories in Holmdel, New Jersey, originally developed for satellite communications, he and A. A. Penzias found a faint background noise emanating from all parts of the sky. They had discovered the cosmic microwave background, interpreted as energy left over from the Big Bang. Their discovery, published in 1965, earned Penzias and Wilson the 1978 Nobel Prize in Physics.
Subjects: Astronomy and Astrophysics.