Interstellar object comet 3I/ATLAS
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No, comet 3I/ATLAS hasn't exploded — and no, that doesn't mean it's an alien spaceshipComet 3I/ATLAS appears to be normal and intact, despite some reports that the interstellar visitor exploded after its brush with the sun.
By Patrick Pester Published
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New 'nearly interstellar' comet — wrongly linked to 3I/ATLAS — will reach its closest point to Earth on Tuesday (Nov. 11)Newly discovered comet C/2025 V1 (Borisov), which has some minor similarities to 3I/ATLAS, will make its closest approach to Earth on Tuesday (Nov. 11). However, despite recent rumors, the two objects are not related to one another.
By Harry Baker Published
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Is it aliens? Here's why that's the least important question about 3I/ATLAS.Conspiracy theories have raged about 3I/ATLAS being an unnatural object. But the alien question, while fun, generates misinformation and distracts from the science.
By Laura Nicole Driessen Published
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Irradiated Comet 3I/ATLAS glows green and hides its tail in new imageA researcher has captured comet 3I/ATLAS glowing green and hiding its tail in a new image from the Lowell Observatory's powerful Discovery Telescope as we enter a critical observation phase for the interstellar visitor.
By Patrick Pester Published
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'Interstellar visitor' 3I/ATLAS may have just changed color — for the third timeRecent observations of the interstellar object 3I/ATLAS show that it has developed a faint blueish hue, hinting at a potential color change. This is the third time experts have seen the comet's coloring shift since it was discovered.
By Harry Baker Published
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Astronomer reveals first look at Comet 3I/ATLAS as it reappears from behind the sunAn astronomer has snapped comet 3I/ATLAS using the Lowell Observatory's powerful Discovery Telescope, as well as his own small telescope. The new photos are believed to be the first optical observations of the interstellar visitor since it disappeared behind the sun.
By Patrick Pester Published
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Comet 3I/ATLAS has been transformed by billions of years of space radiation, James Webb Space Telescope observations revealThe interstellar comet 3I/ATLAS has a thick irradiated crust that no longer resembles its home star system, simulations and James Webb Space Telescope observations have found.
By Patrick Pester Published
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NASA spacecraft reveal interstellar comet 3I/ATLAS brightened rapidly as it swooped behind the sunInterstellar comet 3I/ATLAS is briefly out of view as it travels around the sun this week, but researchers and amateur astronomers used spacecraft data to track its progress right up until perihelion.
By Patrick Pester Published
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Interstellar object 3I/ATLAS is about to get very active — Space photo of the weekThe interstellar comet 3I/ATLAS is barreling toward its closest point to the sun as perihelion looms on Oct. 29. How different will it look when it reappears on the other side?
By Brandon Specktor Published
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