Person

Andrew Siemion

The astronomer who directs the Berkeley SETI Research Center and leads the Breakthrough Listen project, including its investigation of the BLC1 signal.

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Related Mysteries

Breakthrough Listen Candidate 1 (BLC1)
Andrew Siemion investigated Breakthrough Listen Candidate 1 (BLC1).

Organisations & Programmes

Breakthrough Listen
Andrew Siemion led Breakthrough Listen.

Explored on these pages

What Was BLC1, the Breakthrough Listen Candidate Signal?

What BLC1 was: the 2019 Proxima Centauri radio signal that briefly excited SETI, and the 2021 analysis that traced it to Earth-based interference.