Tag #Interstellar Comet

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forbes.com

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Aug 13, 10:18

Fastest Interstellar Comet 3I/ATLAS Observed by Hubble

NASA's Hubble captured the fastest comet ever observed, 3I/ATLAS, an interstellar object traveling at 36 miles per second, significantly larger than previous interstellar comets and posing no threat to Earth.

Fastest Interstellar Comet 3I/ATLAS Observed by Hubble

NASA's Hubble captured the fastest comet ever observed, 3I/ATLAS, an interstellar object traveling at 36 miles per second, significantly larger than previous interstellar comets and posing no threat to Earth.

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How does the size and composition of 3I/ATLAS compare to previously observed interstellar objects, and what challenges does its speed present for observation?

3I/ATLAS's exceptional speed, likely resulting from numerous gravitational interactions during its interstellar journey, makes observation challenging. Its size is estimated between 1000 feet and 3.5 miles in diameter, significantly larger than previous interstellar comets. The difficulty in observing 3I/ATLAS highlights the challenges in studying these rare celestial visitors.

us.cnn.com

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Aug 8, 04:14

Hubble Captures Fastest Interstellar Comet

Hubble's image reveals interstellar comet 3I/ATLAS, traveling at 130,000 mph, the fastest observed interstellar object; its nucleus is estimated between 1,000 feet and 3.5 miles in diameter, offering insights into interstellar object populations.

Hubble Captures Fastest Interstellar Comet

Hubble's image reveals interstellar comet 3I/ATLAS, traveling at 130,000 mph, the fastest observed interstellar object; its nucleus is estimated between 1,000 feet and 3.5 miles in diameter, offering insights into interstellar object populations.

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What is the significance of Hubble's new image of comet 3I/ATLAS?

Hubble Telescope captured an image of interstellar comet 3I/ATLAS, revealing a teardrop-shaped dust cocoon. The comet's speed, 130,000 miles per hour, makes it the fastest interstellar object observed. Its nucleus size is estimated between 3.5 miles and 1,000 feet in diameter.

elmundo.es

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Jul 12, 04:12

Ancient Interstellar Comet 3I/ATLAS Discovered

Researchers discovered interstellar comet 3I/ATLAS on July 1, 2024, potentially the oldest comet ever observed, originating from the Milky Way's thick disk and estimated to be over 7 billion years old, significantly predating our solar system.

Ancient Interstellar Comet 3I/ATLAS Discovered

Researchers discovered interstellar comet 3I/ATLAS on July 1, 2024, potentially the oldest comet ever observed, originating from the Milky Way's thick disk and estimated to be over 7 billion years old, significantly predating our solar system.

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What is the significance of the discovery of 3I/ATLAS, and what immediate implications does its age and origin have?

The interstellar object 3I/ATLAS, discovered on July 1, 2024, is likely the oldest comet ever observed, potentially forming over 7 billion years ago—well before our solar system. This makes it the most ancient interstellar visitor detected to date, originating from the thick disk of the Milky Way galaxy, a region not previously explored up close.

cnnespanol.cnn.com

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Jul 5, 10:09

Interstellar Comet 3I/ATLAS: A Fast-Moving Visitor from Another Star System

The newly discovered interstellar comet 3I/ATLAS, detected by the ATLAS telescope in Chile, is traveling at 60 kilometers per second, showing cometary activity, and is expected to be observable until mid-2026, offering scientists a unique opportunity to study an object from outside our solar system.

Interstellar Comet 3I/ATLAS: A Fast-Moving Visitor from Another Star System

The newly discovered interstellar comet 3I/ATLAS, detected by the ATLAS telescope in Chile, is traveling at 60 kilometers per second, showing cometary activity, and is expected to be observable until mid-2026, offering scientists a unique opportunity to study an object from outside our solar system.

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What is the significance of discovering 3I/ATLAS, the third interstellar object detected in our solar system?

Astronomers have discovered 3I/ATLAS, the third interstellar object observed in our solar system. It's traveling at 60 kilometers per second, too fast to originate within our system, and its trajectory confirms its interstellar origin. Observations suggest it's about 20 kilometers in diameter and shows cometary activity, but its composition remains unclear.

elpais.com

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Jul 3, 19:18

Interstellar Comet 3I/ATLAS Discovered

Astronomers have discovered 3I/ATLAS, an interstellar comet approximately 20-40 km in diameter, traveling at 245,000 km/h on a hyperbolic trajectory, originating from outside our solar system and making its closest approach to the sun on October 30th, 2024.

Interstellar Comet 3I/ATLAS Discovered

Astronomers have discovered 3I/ATLAS, an interstellar comet approximately 20-40 km in diameter, traveling at 245,000 km/h on a hyperbolic trajectory, originating from outside our solar system and making its closest approach to the sun on October 30th, 2024.

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What is the significance of discovering 3I/ATLAS, the third known interstellar object?

Astronomers using the ATLAS telescope system in Chile have discovered 3I/ATLAS, an interstellar comet, the third known object from outside our solar system. Its hyperbolic trajectory and speed of 245,000 kilometers per hour confirm its interstellar origin. Initial observations indicate a diameter between 20 and 40 km.

edition.cnn.com

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Aug 8, 04:14

Hubble Captures Clearest Image Yet of Interstellar Comet 3I/ATLAS

Hubble's image of interstellar comet 3I/ATLAS, captured July 21, reveals a teardrop-shaped dust cocoon, and estimates its nucleus size at 305 meters to 5.6 kilometers; its speed of 209,000 kilometers per hour makes it the fastest interstellar object observed.

Hubble Captures Clearest Image Yet of Interstellar Comet 3I/ATLAS

Hubble's image of interstellar comet 3I/ATLAS, captured July 21, reveals a teardrop-shaped dust cocoon, and estimates its nucleus size at 305 meters to 5.6 kilometers; its speed of 209,000 kilometers per hour makes it the fastest interstellar object observed.

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What is the significance of Hubble's image of comet 3I/ATLAS, and what does it reveal about this interstellar object?

Hubble Telescope captured an image of interstellar comet 3I/ATLAS, revealing a teardrop-shaped dust cocoon and estimating its nucleus size between 305 meters and 5.6 kilometers. Its speed of 209,000 kilometers per hour makes it the fastest interstellar object observed.

dw.com

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Jul 16, 19:15

Interstellar Comet 3I/ATLAS: Potentially Oldest Comet Ever Observed

Researchers suggest 3I/ATLAS, a 24-kilometer interstellar comet, may be seven billion years old, originating from the Milky Way's thick disk and potentially predating our solar system; its perihelion in late October 2025 will provide key observational data before it leaves our solar system.

Interstellar Comet 3I/ATLAS: Potentially Oldest Comet Ever Observed

Researchers suggest 3I/ATLAS, a 24-kilometer interstellar comet, may be seven billion years old, originating from the Milky Way's thick disk and potentially predating our solar system; its perihelion in late October 2025 will provide key observational data before it leaves our solar system.

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How does the estimated age and origin of 3I/ATLAS compare to other known interstellar objects and comets within our solar system?

The study's statistical method indicates a two-thirds probability that 3I/ATLAS is older than our solar system, having formed around an ancient star in the galactic thick disk. This contrasts with non-interstellar comets, which formed within our solar system. The comet's size (24 kilometers in diameter) exceeds that of previously observed interstellar objects 'Oumuamua and Borisov.

sueddeutsche.de

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Jul 8, 01:17

Interstellar Comet 3I/Atlas to Reach Perihelion in October

Comet 3I/Atlas, an interstellar object, is currently 670 million kilometers from the sun and will reach its perihelion around October 30th, between Mars and Earth's orbits, offering scientists a unique opportunity to study its composition and provide insight into the early solar system.

Interstellar Comet 3I/Atlas to Reach Perihelion in October

Comet 3I/Atlas, an interstellar object, is currently 670 million kilometers from the sun and will reach its perihelion around October 30th, between Mars and Earth's orbits, offering scientists a unique opportunity to study its composition and provide insight into the early solar system.

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What are the key characteristics and trajectory of 3I/Atlas, and what is its significance for understanding interstellar objects?

Comet 3I/Atlas, currently 4.5 astronomical units from the sun (670 million kilometers), will pass through the asteroid belt in the coming weeks and reach its closest point to the sun (perihelion) around October 30th, at a distance of approximately 200 million kilometers between Mars and Earth's orbits. There is no risk of collision with Earth or Mars.

edition.cnn.com

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Jul 4, 04:10

Interstellar Comet 3I/ATLAS Speeds Through Solar System

Comet 3I/ATLAS, an interstellar object discovered by the ATLAS telescope in Chile, is traveling at 37 miles per second, showing cometary activity, and will make its closest approach to the sun on October 30, passing near Mars on October 2.

Interstellar Comet 3I/ATLAS Speeds Through Solar System

Comet 3I/ATLAS, an interstellar object discovered by the ATLAS telescope in Chile, is traveling at 37 miles per second, showing cometary activity, and will make its closest approach to the sun on October 30, passing near Mars on October 2.

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How does the trajectory and speed of 3I/ATLAS differ from other interstellar objects, and what additional insights does it offer?

3I/ATLAS's trajectory, speed, and cometary activity strongly indicate an interstellar origin, bolstering theories of planetary formation in other solar systems. Its path differs from previous interstellar objects 'Oumuamua and 2I/Borisov, offering unique insights into interstellar cometary behavior.

nbcnews.com

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Jul 3, 22:14

Third Interstellar Object, 3I/ATLAS, Discovered

Astronomers have discovered 3I/ATLAS, the third confirmed interstellar object, currently 420 million miles away, posing no threat to Earth; it will pass near the sun around October 30th, offering a rare opportunity to study a celestial body from beyond our solar system.

Third Interstellar Object, 3I/ATLAS, Discovered

Astronomers have discovered 3I/ATLAS, the third confirmed interstellar object, currently 420 million miles away, posing no threat to Earth; it will pass near the sun around October 30th, offering a rare opportunity to study a celestial body from beyond our solar system.

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How did astronomers confirm 3I/ATLAS's interstellar origin, and what role did international collaborations play in the discovery?

3I/ATLAS's trajectory and speed, determined by observations from multiple global telescopes, confirm its interstellar origin. This discovery adds to our understanding of interstellar objects and their composition, providing a rare opportunity for scientific study of a celestial body from beyond our solar system. The object's passage offers insights into the materials and conditions present in other star systems.

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