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MeerKAT Telescope Confirms 3I/ATLAS Comet is Natural
- On October 24, 2025, MeerKAT radio telescope detected radio absorption from 3I/ATLAS, and researchers called it natural emission, strengthening evidence the object is a comet.
- As it neared perihelion on October 29, 2025, 3I/ATLAS experienced increased sublimation from solar radiation, splitting frozen water into hydroxyl radicals.
- Using L-band receivers, the team measured OH absorption at 1,665 and 1,667 megahertz with rms sensitivity 1.5 mJy/beam and FWHMs 0.88 km/s and 1.26 km/s.
- While proponents argued for a technological origin, MeerKAT findings undermined those claims as Avi Loeb, Harvard astrophysicist, acknowledged OH detection but remains engaged in the inquiry.
- On December 19, 2025, astronomers plan continued monitoring of 3I/ATLAS as it approaches its closest point to Earth, after passing within 53 million kilometers of Jupiter on March 16, 2026.
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First radio signal detected from 3I/ATLAS as it swiped past the Sun
3I/ATLAS emits first radio signal: The MeerKAT radio telescope at the South African Radio Astronomy Observatory has announced the detection of the first-ever signal from the interstellar object. The detection was made on October 24, after two failed attempts in September.
·Noida, India
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The interstellar comet 3I/ATLAS, which crossed our solar system in October 2025, left for the first time a detectable radio signal.
Astronomers detect first 'radio signal' from interstellar comet 3I/ATLAS — but it wasn't aliens
Astronomers at South Africa's MeerKAT radio telescope have detected the first radio waves coming from the interstellar comet 3I/ATLAS. But while this sounds suspiciously like alien activity, it is actually further proof of its completely natural origins.
·United States
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Coverage Details
Total News Sources41
Leaning Left7Leaning Right9Center4Last UpdatedBias Distribution45% Right
Bias Distribution
- 45% of the sources lean Right
45% Right
L 35%
C 20%
R 45%
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