JWST reveals 3I/ATLAS's coma is largely carbon dioxide
The James Webb Space Telescope detected 3I/ATLAS's coma with an 8:1 carbon dioxide to water ratio, the highest ever recorded in a comet, indicating unusual sublimation processes.
6 Articles
6 Articles
Interstellar invader comet 3I/ATLAS could be investigated by these spacecraft as it races past the sun: 'This could be literally a once-in-a-lifetime opportunity'
Excitement is building regarding the interstellar invader 3I/ATLAS, with new research suggesting which spacecraft from Earth could get a close-up view of the comet.
NASA’s Webb Space Telescope Reveals Secrets of Interstellar Comet 3I/ATLAS
Webb, Hubble, and SPHEREx are joining forces to study the interstellar comet 3I/ATLAS, revealing details about its structure and chemistry. The comet isn’t dangerous, but it’s offering scientists a rare chance to explore material from outside our solar system.
JWST reveals 3I/ATLAS's coma is largely carbon dioxide
All (or at least most) astronomical eyes are on 3I/ATLAS, our most recent interstellar visitor that was discovered in early July. Given its relatively short observational window in our solar system, and especially its impending perihelion in October, a lot of observational power has been directed toward it.
James Webb lead team: 3I/ATLAS comet’s chemical nature far from normal spatial dynamics; seven billion old comet likely to have borne out of early stars
From The Economic Times A recent Smithsonian article deciphering the chemical composition of 3I/ATLAS, the interstellar comet outside of the Milky Way galaxy, is exciting as it tries to discover the nature/composition of the interstellar comet set to make its entry to the Solar System on October 30.
Much has been written in the press during the last weeks of comet 3I/ATLAS, about the supposed uncertainty in its nature.The monitoring carried out with all kinds of instrumentation makes it the best interstellar object observed to date.And, despite the many elucebrations poured, both the images and the spectra of reflection clearly point to its cometary nature.It is in no case an extravagant object unknown to science.In fact, our research group…
Interstellar Comet 3I/ATLAS Has Tail Facing the Wrong Way
Astronomers observing the interstellar object 3I/ATLAS have detected a faint, teardrop-shaped tail stretching behind it—aligned directly opposite the Sun. The discovery, detailed by physicist Avi Loeb in an article published on Medium on August 31, 2025, adds to a growing list of anomalies surrounding this visitor from beyond our Solar System. Captured using the Gemini South 8.2-meter telescope in Chile, the images offer the most compelling visu…
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