The Copernican Principle Rules Out BLC1 as a Technological Radio Signal from the Alpha Centauri System

Harvard University
Astrobiology
11-Jan-2021
Without evidence for occupying a special time or location, we should not assume that we inhabit privileged circumstances in the Universe. As a result, within the context of all Earth-like planets orbiting Sun-like stars, the origin of a technological civilization on Earth should be considered a single outcome of a random process.

https://arxiv.org/abs/2101.04118