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Interstellar Comet 3I/ATLAS Makes Final Pass Before Leaving Solar System
The Virtual Telescope Project in Italy hosts a final livestream of 3I/ATLAS, the third confirmed interstellar comet, as it departs the solar system after closest Earth approach in December.
- The Virtual Telescope Project will host a farewell online observation of 3I/ATLAS on Jan. 16, 2026 at 4:00 p.m. EST, its last public view before the comet passes Jupiter on March 15, 2026.
- Discovered on Jul. 1, 2025, 3I/ATLAS was first spotted by the ATLAS survey in Río Hurtado, Chile and confirmed as the third interstellar object ever observed.
- Observers recorded 3I/ATLAS with a nucleus between 1,400 feet and 3.5 miles, reaching speeds up to 153,000 mph, and requiring at least an 8-inch digital or 16-inch optical telescope to view.
- Breakthrough Listen used the Green Bank Telescope on Dec. 19, 2025 and recorded no technosignatures, while a study led by T. Marshall Eubanks measured non-gravitational accelerations consistent with outgassing.
- Amid ongoing debate, scientists expect data from the March 15, 2026 Jupiter pass to confirm or dispel anomalies, while Avi Loeb's paper titled `Is the Interstellar Object 3I/ATLAS Alien Technology?` suggests its legacy lies in studying distant solar systems.
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29 Articles
Final chance to see Comet 3I/ATLAS as it leaves the Solar System this weekend: How and when to watch
Comet 3I/ATLAS, only the third interstellar object ever observed, is making its final pass through our skies, offering a rare last glimpse before vanishing into deep space forever.
·India
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Say goodbye to Comet 3I/ATLAS! Watch it head for interstellar space in real-time with this free livestream today
Bid farewell to 3I/ATLAS by tuning into a livestream hosted by the Virtual Telescope Project featuring live views of the interstellar comet as it heads out of the solar system.
·United States
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3I/Atlas: Harvard professor says it's possible an alien spacecraft is approaching. This rare conjunction could finally reveal the mysterious object.
·Budapest, Hungary
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Total News Sources29
Leaning Left4Leaning Right4Center6Last UpdatedBias Distribution43% Center
Bias Distribution
- 43% of the sources are Center
43% Center
L 29%
C 43%
R 28%
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