The Last Arecibo Message: A Commemorative Conceptual Artifact for Collaborative Interstellar Outreach

To the point

Researchers mark the 50th anniversary of the Arecibo Message by revisiting the original beacon as The Last Arecibo Message, a commemorative concept not meant to be transmitted that emphasizes humanity’s readiness to explore the universe together after the Boriken Voyagers won in 2020 and the telescope collapsed in December 2020 halting transmission plans, with the work spanning 12 pages and four figures plus online supplementary material and credits to Kelby D. Palencia-Torres, César F. Quiñones-Martínez, Javier A. García Sepúlveda, Luis R. Rivera Gabriel, Lizmarie Mateo Roubert, Germán Vázquez Pérez, and Abel Méndez, accompanied by a DOI and astro-ph.IM classification.

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The Last Arecibo Message

The Arecibo Message was a brief binary-encoded communication transmitted into space from the Arecibo Observatory on November 16, 1974, intended to demonstrate human technological prowess. In late 2018, to commemorate the 45th anniversary of this message, the Arecibo Observatory initiated the New Arecibo Message competition. Following a series of challenges, our Boriken Voyagers team was recognized as the winner of the competition in August 2020. Although the primary objective of the competition was to conceptualize rather than transmit a message, the collapse of the Arecibo Telescope in December 2020 precluded any subsequent transmission efforts. Therefore, to commemorate the 50th anniversary of the Arecibo Message, this paper presents the Last Arecibo Message, as originally developed for the Arecibo Telescope. If the original message says we are a form of life reaching out to connect, our message says we are ready to explore the universe together. The prospect of transmitting this or a similar message remains an open question.