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Anomalous Radio Signals, Confirmed Habitable Zone Planets, and Dark Matter Density: A Cross-Reference of the 2019 Breakthrough Listen S-Band Survey

Authors: Hilbert, Aaron;

Anomalous Radio Signals, Confirmed Habitable Zone Planets, and Dark Matter Density: A Cross-Reference of the 2019 Breakthrough Listen S-Band Survey

Abstract

In 2019, the Breakthrough Listen project recorded repeated anomalous radio signals from GJ 725 — a binary red dwarf system just 11.5 light years away. Nobody paid much attention. In January 2026, astronomers confirmed that GJ 725 B hosts a rocky planet squarely in its habitable zone, the second closest such world to Earth. This paper asks a simple question: should we look at those 2019 signals again? It also cross-references the full Breakthrough Listen S-band survey against recently confirmed habitable zone planets and SDSS dark matter density maps, identifies a second cluster of anomalous targets sitting inside the densest cosmic web node in the northern sky, and documents systematic gaps in current SETI coverage that leave some of our most promising nearby systems unobserved. The answer to the simple question is yes. Someone should look.

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