3I/ATLAS thread

NASA Finally Releases Images of 3I/ATLAS Taken by Its Missions at Mars​


In early October, the third interstellar object (ISO) to visit our Solar System (3I/ATLAS) made its closest flyby to Mars, coming within 30 million km (18.6 million mi) of the Red Planet. This placed it within view of several missions currently operating there, which are operated by three space agencies: NASA, the European Space Agency (ESA), and the China National Space Agency (CNSA). While the ESA released images taken by the Mars Express* and *ExoMars Trace Gas Orbiter (TGO), and China released images taken by the Tianwen-1 orbiter, NASA was unable to release any data due to the government shutdown

 
The truth is out there, jingles

it doesn't help that the best image available on the NASA website is this one.

iss072e516844~medium.jpg
 
I warned you guys killadoob's Nibbukanniza planet was going to come and kill us all one day!

Maar nee okes like @porchrat continued to drink the toilet duck :(

Your post made me nostalgic so I looked up the last interaction I had with the guy. Lines up pretty well with his exit from the forum.

For anyone bored or curious enough, here's the thread:
 

Interstellar comet 3I/ATLAS isn't an alien spacecraft, astronomers confirm. 'In the end, there were no surprises.'​

Space fans hoping that the intruder from beyond the solar system known as Comet 3I/ATLAS is actually an alien spacecraft may be disappointed by new research that could close the book on this speculation once and for all.

Astronomers used the Green Bank Telescope, employed in the Breakthrough Listen extraterrestrial signal-hunting astronomy project, to search 3I/ATLAS for measurable signs of technology from extraterrestrial civilizations, or "technosignatures."

Though this hunt came up empty, the fact that 3I/ATLAS is only the third known object found in the solar system after entering from interstellar space (the others being 1I/'Oumuamua, seen in 2017, and 2I/Borisov, detected in 2019) means that it is still an object of great fascination, albeit a natural one.

 
Interstellar Visitor 3I/ATLAS Finally Wakes Up, Spewing Organics and Water

There’s been plenty in the news about 3I/ATLAS over the course of the past 8 months. Our third confirmed interstellar visitor went behind the Sun during its closest approach, but reemerged in December with plenty of eyes watching it. Papers describing what it looks like following its closest brush with the power of a star in probably billions of years are starting to come out, including a new one available in pre-print on arXiv from Carey Lisse of Johns Hopkins University and his co-authors, which shows how much the comet - and it is definitely a comet - has changed in the matter of only a few months.

 

New Research Reveals That Interstellar Comet 3I/ATLAS Formed in a System Far Colder Than Our Own​


3I/ATLAS created quite the buzz as it flew through our Solar System. As just the third interstellar object (ISO) ever detected, what our instruments observed as it approached our Sun and began heading back to deep space provided tantalizing clues about the star system in which it formed. In particular, new observations from the Atacama Large Millimeter/submillimeter Array (ALMA) have yielded the first-ever measurement of deuterated water (or "semi-heavy water") in an ISO. The discovery provides a chemical window into the cold conditions that characterize its home star system.

 

Subaru Telescope Reveals New Data on the Interior Composition of 3I/ATLAS​


On Jan. 7th, 2026, the Subaru Telescope joined many of the world's observatories and space telescopes in observing the 3I/ATLAS, the third interstellar object (ISO) detected in our Solar System. This interstellar comet had just completed its closest approach to the Sun, which produced more intense outgassing. By observing the light from 3I/ATLAS' coma, astronomers were able to examine the chemical composition of the comet's interior and produce estimates of the ratio of carbon dioxide to water.

 
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