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Browsing Tag

interstellar comet

39 posts
SScience
Interstellar Comet 3I/ATLAS Likely Originated in Outskirts of Ancient Planetary System
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Interstellar Comet 3I/ATLAS Likely Originated in Outskirts of Ancient Planetary System

  • July 7, 2026
Astronomers using ESO’s Very Large Telescope (VLT) have measured carbon and nitrogen isotope ratios in 3I/ATLAS, the third…
SScience
Webb Detects Methane on Interstellar Comet 3I/ATLAS
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Interstellar Comet 3I/ATLAS Formed Up To 12 Billion Years Ago, New Observations Suggest

  • June 23, 2026
The interstellar comet 3I/ATLAS carries a chemical fingerprint unlike anything in our Solar System, and it may have…
SSpace
Webb Detects Methane on Interstellar Comet 3I/ATLAS
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Webb Detects Methane on Interstellar Comet 3I/ATLAS

  • June 2, 2026
Using the spectral data from the Mid-Infrared Instrument (MIRI) onboard the NASA/ESA/CSA James Webb Space Telescope, astronomers have…
SScience
Interstellar Comet Gave Scientists Their First Taste of Alien Water
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Interstellar Comet Gave Scientists Their First Taste of Alien Water

  • May 18, 2026
The Hubble Space Telescope imaged 3I/ATLAS on 30 November 2025 when it was 286 million kilometers from Earth.…
SSpace
Rare Interstellar Comet To Shine In Skies After 170,000 Years: Here's How To Watch
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Rare Interstellar Comet To Shine In Skies After 170,000 Years: Here’s How To Watch

  • April 17, 2026
A rare celestial event is set to capture attention as an interstellar comet makes its way through the…
SScience
This image from the Subaru Telescope shows the interstellar comet 3I/ATLAS. Image credit: NAOJ.
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Interstellar Comet 3I/ATLAS Shows Shifting Chemistry after Perihelion

  • April 15, 2026
Observations from the Subaru Telescope on January 7, 2026, revealed a surprisingly low carbon dioxide-to-water ratio, suggesting the…
SScience
This image of 3I/ATLAS was captured by the Navigation Camera (NavCam) onboard Juice in November 2025. Image credit: ESA / Juice / NavCam.
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How Interstellar Comet 3I/ATLAS Met Unlikely Observer

  • March 25, 2026
On its way to Jupiter, ESA’s Juice spacecraft briefly turned its gaze toward a rare interstellar visitor, 3I/ATLAS,…
SScience
Interstellar comet 3I/ATLAS packed with alcohol stuns astronomers: Here’s what its alien chemistry could reveal about planet formation |
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Interstellar comet 3I/ATLAS packed with alcohol stuns astronomers: Here’s what its alien chemistry could reveal about planet formation |

  • March 12, 2026
Astronomers have spotted something unusual in a comet passing through our Solar System. 3I/ATLAS, only the third confirmed…
SScience
3I/ATLAS is Unusually Rich in Methanol, ALMA Observations Show
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3I/ATLAS is Unusually Rich in Methanol, ALMA Observations Show

  • March 9, 2026
Astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) have detected hydrogen cyanide (nitrogen-bearing organic molecule commonly seen in…
SScience
This image of the interstellar comet 3I/ATLAS was captured by the JANUS camera aboard ESA’s Juice spacecraft on November 6, 2025, just seven days after the comet made its closest approach to the Sun. At the time, Juice was about 66 million km (41 million miles) away from the comet. The inset in the image shows the same data, but processed to highlight the coma structure. The arrows in the top left indicate the direction in which the comet was moving (blue) and the relative direction of the Sun (yellow). Image credit: ESA / Juice / JANUS.
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Juice Spies Interstellar Comet 3I/ATLAS

  • March 1, 2026
The JANUS science camera aboard ESA’s Jupiter Icy Moons Explorer (Juice) has captured new images of the interstellar…
SScience
Rare Cosmic Lineup Gives Hubble Close Look at 3I/ATLAS
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Rare Cosmic Lineup Gives Hubble Close Look at 3I/ATLAS

  • January 28, 2026
On January 22, 2026, the NASA/ESA Hubble Space Telescope observed the interstellar comet 3I/ATLAS nearly perfectly aligned with…
SScience
The SPHEREx 0.75-5.0μm imaging of 3I/ATLAS taken on December 8 to 15, 2025. Image credit: NASA / arXiv: 2601.06759 / Lisse et al., arXiv: 2601.06759.
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3I/ATLAS Shows Signs of Full Cometary Awakening after Perihelion

  • January 20, 2026
According to new observations by NASA’s SPHEREx mission, the interstellar object 3I/ATLAS has dramatically changed its behavior, developing…
Ireland
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