Tag #Interstellar Object

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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.

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.

dailymail.co.uk

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Jul 28, 13:17

Largest Interstellar Object 3I/ATLAS Discovered: Size and Composition Analyzed

Scientists have discovered that interstellar object 3I/ATLAS, measuring seven miles (11.2km) in diameter, is the largest ever observed, significantly larger than previously known interstellar objects 'Oumuamua and Comet Borisov. Analysis of its coma suggests a natural, not artificial, origin despite...

Largest Interstellar Object 3I/ATLAS Discovered: Size and Composition Analyzed

Scientists have discovered that interstellar object 3I/ATLAS, measuring seven miles (11.2km) in diameter, is the largest ever observed, significantly larger than previously known interstellar objects 'Oumuamua and Comet Borisov. Analysis of its coma suggests a natural, not artificial, origin despite...

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What is the composition of 3I/ATLAS's coma, and how does this finding impact the hypothesis of its artificial origin?

The discovery of 3I/ATLAS's immense size refines our understanding of interstellar objects. Its dimensions, significantly larger than previously observed objects like 'Oumuamua (0.2 miles) and Comet Borisov (0.6 miles), challenge existing models of interstellar object formation and trajectories. The comet's large coma, composed of ice and dust, further supports its natural origin.

dailymail.co.uk

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Jul 11, 01:15

Interstellar Object 3I/ATLAS Originated from Older Stars in Milky Way

Harvard physicist Avi Loeb and researcher Shokhruz Kakharov traced interstellar object 3I/ATLAS's path to a region of older stars in the Milky Way, estimating it to be over 4.6 billion years old and possibly a comet, unlike the younger 1I/Oumuamua and similarly aged 2I/Borisov.

Interstellar Object 3I/ATLAS Originated from Older Stars in Milky Way

Harvard physicist Avi Loeb and researcher Shokhruz Kakharov traced interstellar object 3I/ATLAS's path to a region of older stars in the Milky Way, estimating it to be over 4.6 billion years old and possibly a comet, unlike the younger 1I/Oumuamua and similarly aged 2I/Borisov.

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What is the origin and age of the interstellar object 3I/ATLAS, and what are the immediate implications of this discovery?

Harvard physicist Avi Loeb and his student Shokhruz Kakharov have traced the interstellar object 3I/ATLAS to a region of older stars in the Milky Way's disk. This 12-mile-wide object, traveling at 150,000 mph, is estimated to be older than our sun, showing signs of being a comet with a gas and dust cloud and tail.

forbes.com

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Jul 11, 13:13

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

The interstellar object 3I/ATLAS, potentially 7.6 to 14 billion years old, was detected in June 2024 and is believed to originate from the Milky Way's "thick disk." Its trajectory and composition could reveal insights into early galactic processes.

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

The interstellar object 3I/ATLAS, potentially 7.6 to 14 billion years old, was detected in June 2024 and is believed to originate from the Milky Way's "thick disk." Its trajectory and composition could reveal insights into early galactic processes.

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What is the significance of 3I/ATLAS's potential age and origin in relation to our understanding of solar system and galactic formation?

The interstellar object 3I/ATLAS, discovered in June 2024, is estimated to be 12 miles in diameter and follows an eccentric trajectory suggesting an origin outside our solar system. Scientists believe it could be the oldest comet ever observed, potentially 7.6 to 14 billion years old, significantly older than our 4.5-billion-year-old solar system.

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.

foxnews.com

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Aug 11, 01:17

Interstellar Object 3I/ATLAS: Unusual Trajectory Sparks Alien Probe Speculation

Harvard professor Avi Loeb highlights the unusual characteristics of interstellar object 3I/ATLAS—a forward glow, improbable trajectory near Mars, Venus, and Jupiter—suggesting it might be an alien probe, a claim requiring further investigation.

Interstellar Object 3I/ATLAS: Unusual Trajectory Sparks Alien Probe Speculation

Harvard professor Avi Loeb highlights the unusual characteristics of interstellar object 3I/ATLAS—a forward glow, improbable trajectory near Mars, Venus, and Jupiter—suggesting it might be an alien probe, a claim requiring further investigation.

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What are the potential long-term implications of 3I/ATLAS, especially if its origin or purpose is extraterrestrial?

The possibility that 3I/ATLAS is an alien probe is raised. Its unusual characteristics could point to a designed trajectory or even a reconnaissance mission, significantly impacting our understanding of the cosmos and humanity's place within it. Further research and observation are needed.

dailymail.co.uk

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Aug 6, 01:17

Interstellar Object 3I/ATLAS Sparks Debate Over Potential Extraterrestrial Origin

NASA's July 1st detection of interstellar object 3I/ATLAS has sparked debate over its origin, with Harvard physicist Avi Loeb suggesting it may be artificial due to its lack of a tail, unusual trajectory, and absence of gas emissions, prompting calls for proactive governmental response and further o...

Interstellar Object 3I/ATLAS Sparks Debate Over Potential Extraterrestrial Origin

NASA's July 1st detection of interstellar object 3I/ATLAS has sparked debate over its origin, with Harvard physicist Avi Loeb suggesting it may be artificial due to its lack of a tail, unusual trajectory, and absence of gas emissions, prompting calls for proactive governmental response and further o...

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How does Loeb's 'Loeb Scale' and his proposed reverse Oberth maneuver contribute to the analysis of 3I/ATLAS's potential artificial origin?

Loeb's theory posits 3I/ATLAS could be an alien mothership deploying probes to Earth, using a reverse Oberth maneuver for trajectory adjustment. This hypothesis is based on the object's retrograde trajectory, precise movement, and lack of typical cometary features.

pda.kp.ru

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Jul 18, 16:17

Interstellar Object 3I/ATLAS: Comet, Asteroid, or Spacecraft?

The interstellar object 3I/ATLAS, currently 465 million kilometers from Earth, presents contradictory data: images show a comet-like tail, yet spectral analysis reveals an asteroid-like composition, prompting speculation of an interstellar spacecraft; its size is estimated at 24 kilometers, and its ...

Interstellar Object 3I/ATLAS: Comet, Asteroid, or Spacecraft?

The interstellar object 3I/ATLAS, currently 465 million kilometers from Earth, presents contradictory data: images show a comet-like tail, yet spectral analysis reveals an asteroid-like composition, prompting speculation of an interstellar spacecraft; its size is estimated at 24 kilometers, and its ...

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What are the key contradictory findings regarding the nature of 3I/ATLAS, and what are the immediate implications for our understanding of interstellar objects?

The interstellar object 3I/ATLAS, initially classified as a comet, exhibits contradictory characteristics. Ground-based and space-based telescopes show conflicting data, with some suggesting it's an asteroid while others show evidence of a cometary tail. Harvard astronomer Avi Loeb hypothesizes it's an interstellar spacecraft, explaining the inconsistencies.

bbc.com

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Jul 11, 13:13

Seven-Billion-Year-Old Interstellar Comet Discovered

Astronomers have discovered 3I/Atlas, a potentially seven-billion-year-old interstellar comet from the Milky Way's thick disk, detected by the Atlas survey telescope in Chile on July 1st, 2025; its approach to the sun later this year may create a visible tail.

Seven-Billion-Year-Old Interstellar Comet Discovered

Astronomers have discovered 3I/Atlas, a potentially seven-billion-year-old interstellar comet from the Milky Way's thick disk, detected by the Atlas survey telescope in Chile on July 1st, 2025; its approach to the sun later this year may create a visible tail.

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How does the discovery of 3I/Atlas contribute to our knowledge of interstellar objects and their formation in different galactic regions?

3I/Atlas's trajectory and composition suggest it formed around an ancient star in the Milky Way's thick disk, a region of older stars. This discovery allows scientists to study the oldest parts of our galaxy and better understand its stellar populations.

mk.ru

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Jul 5, 13:13

Massive Interstellar Object A11pl3Z to Safely Pass Earth

Astronomers have detected interstellar object A11pl3Z, estimated at 12 miles wide, traveling at over 41 miles per second through our solar system; it will safely pass Earth in December 2024 at 2.4 astronomical units, presenting a rare opportunity for study before it leaves our solar system in 2026.

Massive Interstellar Object A11pl3Z to Safely Pass Earth

Astronomers have detected interstellar object A11pl3Z, estimated at 12 miles wide, traveling at over 41 miles per second through our solar system; it will safely pass Earth in December 2024 at 2.4 astronomical units, presenting a rare opportunity for study before it leaves our solar system in 2026.

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What is the significance of the interstellar object A11pl3Z's size and speed in relation to other similar objects observed previously?

An interstellar object, designated A11pl3Z, is traversing our solar system at a speed exceeding 41 miles per second. Its trajectory suggests it will not be gravitationally captured and will pass Earth on December 17th at a safe distance of 2.4 astronomical units. Initial estimates suggest a size of approximately 12 miles in diameter, significantly larger than previously observed interstellar objects.

dailymail.co.uk

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Jul 3, 01:13

Massive Interstellar Object A11pl3Z to Safely Pass Earth

Astronomers have discovered A11pl3Z, a 12-mile-wide interstellar object speeding through our solar system at 41 miles per second, set to pass Earth in December 2024 at a safe distance of 2.4 AU, presenting a unique scientific opportunity despite a brief observation window.

Massive Interstellar Object A11pl3Z to Safely Pass Earth

Astronomers have discovered A11pl3Z, a 12-mile-wide interstellar object speeding through our solar system at 41 miles per second, set to pass Earth in December 2024 at a safe distance of 2.4 AU, presenting a unique scientific opportunity despite a brief observation window.

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What is A11pl3Z's trajectory, and what opportunities for observation and data collection does it present to scientists?

A11pl3Z's trajectory brings it within 0.4 AU of Mars in October and 2.4 AU of Earth in December, before exiting the solar system in 2026. Its unusual speed and size, exceeding previous interstellar objects Oumuamua and Borisov, fuel speculation about its nature, possibly a large space rock or comet with a bright cloud of gas and dust.

Showing 1 to 12 of 14 results