3I/ATLASEvidence
Evidence · 3I/ATLAS
Four radio searches found nothing
The Allen Telescope Array (1-9 GHz), Breakthrough Listen at Green Bank (1-12 GHz, down to 100 mW) and two FAST searches (narrowband to 2.9 mW, periodic to 0.15 W) found no artificial signal.
What it means
Openunchanged
Still possibleunchanged
What it implies
- Any transmitter on 3I is weaker than a few milliwatts in the bands searched.For the key question: Is 3I/ATLAS a natural comet or a technological object?
Sources 4
SRC
Breakthrough Listen Observations of 3I/ATLAS with the Green Bank Telescope at 1-12 GHz
SRCJacobson-Bell et al. 2025
SRC
SRC
Cite it
Mysteries Department. (2026). Four radio searches found nothing [Evidence EVD0DFQ542ADEGE]. https://mysteriesdept.com/r/EVD0DFQ542ADEGE
@misc{mysteriesdept_evd0dfq542adege,
title = {Four radio searches found nothing},
author = {{Mysteries Department}},
year = {2026},
note = {Evidence, catalog key EVD0DFQ542ADEGE},
url = {https://mysteriesdept.com/r/EVD0DFQ542ADEGE}
}