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A Brief-ish History of METI. Part II: From Interplanetary to Interstellar

The legacy of Arecibo's nearly 60 years of radio astronomy is strong even after its loss in a tragic 2020 collapse. Among its major accomplishments was hosting the first attempt at Messaging Extraterrestrial Intelligence (METI). Credit: University of Central Florida
The legacy of Arecibo's nearly 60 years of radio astronomy is strong even after its loss in a tragic 2020 collapse. Among its major accomplishments was hosting the first attempt at Messaging Extraterrestrial Intelligence (METI). Credit: University of Central Florida
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Automatically curated summary from Universe Today.

According to an article published by Universe Today, the latter half of the 20th century marked a major expansion in both the Search for Extraterrestrial Intelligence (SETI) and Messaging Extraterrestrial Intelligence (METI). This period featured pivotal developments transitioning scientific efforts from an interplanetary to an interstellar focus. Key milestones highlighted in the excerpt include the execution of the first interstellar SETI and METI experiments, specifically Project Ozma and the Arecibo Message.

Context and limitations

The provided excerpt is a brief overview and does not include full historical context, technical details, or outcomes of Project Ozma and the Arecibo Message.

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