JERRY MASON / SCIENCE PHOTO LIBRARY JERRY MASON / SCIENCE PHOTO LIBRARY
Big Ear radio telescope. VIew of the 400-foot fixed dish of the "Big Ear" radio telescope at Ohio State University, Ohio, USA. Ear" is a Kraus-type radio telescope which covers an area larger than three football fields. The telescope is famous for discovering some of the most distant known objects in the universe, as well as for the longest running SETI (Search for ExtraTerrestrial Intelligence) project.
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