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Comets

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Comet 3I/ATLAS Is Experiencing A Non-Gravitational Acceleration – What Does That Mean?the comet is fuzzy and bright among the black background

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Comet 3I/ATLAS Is Experiencing A Non-Gravitational Acceleration – What Does That Mean?the comet is fuzzy and bright among the black background
space-iconAstronomy

Comet 3I/ATLAS Is Experiencing A Non-Gravitational Acceleration – What Does That Mean?

clock-iconDecember 16, 2025
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Could This Weirdly Moving Comet Have Been The Real “Star Of Bethlehem”?the scne depicts the three wise men visiting the holy family, above them all a bright comet is visible.

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Could This Weirdly Moving Comet Have Been The Real “Star Of Bethlehem”?the scne depicts the three wise men visiting the holy family, above them all a bright comet is visible.
space-iconAstronomy

Could This Weirdly Moving Comet Have Been The Real “Star Of Bethlehem”?

clock-iconDecember 12, 2025
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How A Comet On Christmas Day Changed What We Knew About SpaceHalley's comet is bright white with two long tails, a white and a blue one, almost next to each other.

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How A Comet On Christmas Day Changed What We Knew About SpaceHalley's comet is bright white with two long tails, a white and a blue one, almost next to each other.
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space-iconAstronomy

How A Comet On Christmas Day Changed What We Knew About Space

clock-iconDecember 11, 2025
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Interstellar Comet 3I/ATLAS Will Make Its Closest Approach To Earth This Month, Just 270 Million Kilometers Awayarticle image

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Interstellar Comet 3I/ATLAS Will Make Its Closest Approach To Earth This Month, Just 270 Million Kilometers Awayarticle image
space-iconSpace and Physics

Interstellar Comet 3I/ATLAS Will Make Its Closest Approach To Earth This Month, Just 270 Million Kilometers Away

clock-iconDecember 3, 2025
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Interstellar Comet 3I/ATLAS Appears To Be Experiencing "Cryovolcanism", And Is Eerily Similar To Objects In The Outer Solar SystemInterstellar object 3I/ATLAS, captured by the STEREO-A (Solar Terrestrial Relations Observatory) spacecraft.

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Interstellar Comet 3I/ATLAS Appears To Be Experiencing "Cryovolcanism", And Is Eerily Similar To Objects In The Outer Solar SystemInterstellar object 3I/ATLAS, captured by the STEREO-A (Solar Terrestrial Relations Observatory) spacecraft.
space-iconAstronomy

Interstellar Comet 3I/ATLAS Appears To Be Experiencing "Cryovolcanism", And Is Eerily Similar To Objects In The Outer Solar System

clock-iconDecember 2, 2025
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Interstellar Comet 3I/ATLAS May Have A Course-Altering Encounter Before It Heads Towards The Gemini ConstellationPUNCH’s observations of 3I/ATLAS from September 28 to October 10, 2025.

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Interstellar Comet 3I/ATLAS May Have A Course-Altering Encounter Before It Heads Towards The Gemini ConstellationPUNCH’s observations of 3I/ATLAS from September 28 to October 10, 2025.
space-iconAstronomy

Interstellar Comet 3I/ATLAS May Have A Course-Altering Encounter Before It Heads Towards The Gemini Constellation

clock-iconNovember 25, 2025
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NASA Finally Reveals Comet 3I/ATLAS Images From 8 Missions, Including First From Another Planet's Surfacea fuzzy image showing the bright coma and the little tail of the comet

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NASA Finally Reveals Comet 3I/ATLAS Images From 8 Missions, Including First From Another Planet's Surfacea fuzzy image showing the bright coma and the little tail of the comet
space-iconAstronomy

NASA Finally Reveals Comet 3I/ATLAS Images From 8 Missions, Including First From Another Planet's Surface

clock-iconNovember 20, 2025
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See It For Yourself: Your Chance To See Interstellar Comet 3I/ATLAS Livestreamed This WeekInterstellar object 3I/ATLAS, as imaged by the Virtual Telescope Project.

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See It For Yourself: Your Chance To See Interstellar Comet 3I/ATLAS Livestreamed This WeekInterstellar object 3I/ATLAS, as imaged by the Virtual Telescope Project.
space-iconAstronomy

See It For Yourself: Your Chance To See Interstellar Comet 3I/ATLAS Livestreamed This Week

clock-iconNovember 17, 2025
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We Jinxed It – Golden Comet C/2025 K1 (ATLAS) Has Now Broken Into Piecesthe comet looks orange due to a filter, and the nucleus has two bright splotches and a possibly fainter third one.

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We Jinxed It – Golden Comet C/2025 K1 (ATLAS) Has Now Broken Into Piecesthe comet looks orange due to a filter, and the nucleus has two bright splotches and a possibly fainter third one.
space-iconAstronomy

We Jinxed It – Golden Comet C/2025 K1 (ATLAS) Has Now Broken Into Pieces

clock-iconNovember 14, 2025
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"Non-Gravitational Acceleration" Of Interstellar Object 3I/ATLAS Explained In New StudySPHEREx Image of interstellar comet 3I/ATLAS.

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"Non-Gravitational Acceleration" Of Interstellar Object 3I/ATLAS Explained In New StudySPHEREx Image of interstellar comet 3I/ATLAS.
space-iconAstronomy

"Non-Gravitational Acceleration" Of Interstellar Object 3I/ATLAS Explained In New Study

clock-iconNovember 13, 2025
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First Radio Detection Received From Interstellar Object 3I/ATLAS. What Does That Mean?NASA’s SPHEREx observations of interstellar comet 3I/ATLAS.

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First Radio Detection Received From Interstellar Object 3I/ATLAS. What Does That Mean?NASA’s SPHEREx observations of interstellar comet 3I/ATLAS.
space-iconAstronomy

First Radio Detection Received From Interstellar Object 3I/ATLAS. What Does That Mean?

clock-iconNovember 12, 2025
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How We Know Interstellar Object 3I/ATLAS Is Not An Alien MothershipA new image of interstellar object 3I/ATLAS taken 11 November 2025.

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How We Know Interstellar Object 3I/ATLAS Is Not An Alien MothershipA new image of interstellar object 3I/ATLAS taken 11 November 2025.
space-iconAstronomy

How We Know Interstellar Object 3I/ATLAS Is Not An Alien Mothership

clock-iconNovember 12, 2025
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Interstellar Object 3I/ATLAS Shows Evidence Of "Galactic Cosmic Ray" Processing. That's Not Great NewsThe first observation of interstellar object 3I/ATLAS.

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Interstellar Object 3I/ATLAS Shows Evidence Of "Galactic Cosmic Ray" Processing. That's Not Great NewsThe first observation of interstellar object 3I/ATLAS.
space-iconAstronomy

Interstellar Object 3I/ATLAS Shows Evidence Of "Galactic Cosmic Ray" Processing. That's Not Great News

clock-iconNovember 10, 2025
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Chinese Spacecraft Around Mars Sends Back Intriguing Gif Of Interstellar Comet 3I/ATLASInterstellar object 3I/ATLAS imaged by China's Mars orbiter.

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Chinese Spacecraft Around Mars Sends Back Intriguing Gif Of Interstellar Comet 3I/ATLASInterstellar object 3I/ATLAS imaged by China's Mars orbiter.
space-iconAstronomy

Chinese Spacecraft Around Mars Sends Back Intriguing Gif Of Interstellar Comet 3I/ATLAS

clock-iconNovember 6, 2025
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Interstellar Object 3I/ATLAS Has Slightly Changed Course And May Have Lost A Lot Of Mass, NASA Observations ShowInterstellar comet 3I/ATLAS going past a dense star field.

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Interstellar Object 3I/ATLAS Has Slightly Changed Course And May Have Lost A Lot Of Mass, NASA Observations ShowInterstellar comet 3I/ATLAS going past a dense star field.
space-iconAstronomy

Interstellar Object 3I/ATLAS Has Slightly Changed Course And May Have Lost A Lot Of Mass, NASA Observations Show

clock-iconNovember 5, 2025
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