3I/ATLAS: Natural or Manmade?
3I/ATLAS experienced increased sublimation near perihelion on October 29, 2025, producing hydroxyl radicals.
L-band receivers measured OH absorption at 1,665 and 1,667 MHz with rms sensitivity 1.5 mJy/beam.
Proponents argued for a technological origin, but MeerKAT findings supported natural emission.
Astronomers plan continued monitoring of 3I/ATLAS as it approaches Earth after passing Jupiter on March 16, 2026.
2 months ago