DocumentCode
1458062
Title
Whistling in the Dark? [AP-S Turnstile]
Author
Bansal, Rajeev
Author_Institution
Dept. of ECE, Univ. of Connecticut, Storrs, CT, USA
Volume
53
Issue
6
fYear
2011
Firstpage
162
Lastpage
163
Abstract
Bell Labs scientists Amo Penzias and Robert Wilson received the 1978 Nobel Prize in Physics for their "accidental" discovery in 1965 that the [1] electromagnetic noise picked up by their horn antenna was not caused by a “white dielectric substance” (pigeon droppings) within the antenna, but represented the cosmic microwave background (CMB). The cosmic microwave background was found to be diffuse, coming essentially uniformly from all directions, and had an equivalent temperature of around 2.7 K. Since it originated only 300,000 years after the Big Bang (the genesis moment around 14 billion years ago, when space and time began), it provides crucial experimental data about the early history of our universe.
Keywords
cosmology; horn antennas; radioastronomy; radiofrequency cosmic radiation; 1978 Nobel Prize in Physics; Amo Penzias; Bell Labs scientists; Big Bang; CMB; Robert Wilson; Universe early history; cosmic microwave background; electromagnetic noise; horn antenna; whistling; Dielectrics; Electromagnetic interference; Horn antennas; Microwave antennas; Microwaves; dark matter; radiometry;
fLanguage
English
Journal_Title
Antennas and Propagation Magazine, IEEE
Publisher
ieee
ISSN
1045-9243
Type
jour
DOI
10.1109/MAP.2011.6157738
Filename
6157738
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