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Latest news. Astronomers have captured first detailed maps of metal gases escaping from the third interstellar visitor ever detected passing through our solar system, and the patterns reveal clues about conditions around distant alien stars.vNickel vapor hugs much closer to the object’s icy core than other gases do—spreading only 594 km out compared to 841 km for cyanide—suggesting metal comes from fragile molecules that shatter almost instantly in sunlight. The interstellar object reaches its closest point to Sun in just days, giving scientists their last best chance to study the cosmic traveler be4 it speeds back into darkness between stars, never to return.

New Data From Keck Telescope Reveals Mysterious Metal Outgassing From Interstellar Object 3I/ATLAS As Scientists Race To Study Visitor From Another Star System. 

USA HERALD – On researchers aimed one of the world’s most powerful telescopes at a fuzzy green dot moving through space. That dot is 3I/ATLAS—an object that didn’t form in our solar system but is just passing through from somewhere else in our galaxy. Using the Keck II telescope in Hawaii, the team spent 15 minutes collecting light from 3I/ATLAS when it was about 257 million miles from the Sun (roughly 2.75 times Earth’s distance from the Sun). The results appear in a study published October 15, 2025, led by W.B. Hoogendam from the University of Hawaii.

What makes this observation special is the telescope’s ability to act like thousands of cameras at once, capturing not just what chemicals are present but exactly where they’re located around the object. Think of it like using a heat-sensing camera to see which parts of a campfire are hottest—except here, scientists are mapping which gases appear where.

https://usaherald.com/new-data-from-keck...e_vignette

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Scientists baffled as interstellar 3i/ATLAS the visitor makes mysterious maneuver toward the sun: see capture photo.

The interstellar visitor 3I/ATLAS has displayed behavior never before seen in a comet. In August, the Two-Meter Twin Telescope in the Canary Islands captured an image showing a faint jet extending roughly 3.7 miles from the object's nucleus, pointing toward the sun.

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Scientists baffled as interstellar 3i/ATLAS the visitor makes mysterious maneuver toward the sun: see capture photo.

The interstellar visitor 3I/ATLAS has displayed behavior never before seen in a comet. In August, the Two-Meter Twin Telescope in the Canary Islands captured an image showing a faint jet extending roughly 3.7 miles from the object's nucleus, pointing toward the sun.

This stream of gas and dust is unusual because comet tails are typically pushed away from the Sun by solar radiation and wind. Harvard professor Avi Loeb said on Friday: 'The existence of an anti-tail pointed toward the sun is an anomaly that raises two questions: What is the nature of the anti-tail?. 'Why are comet experts ignoring this anomaly while insisting that 3I/ATLAS is a familiar comet?'.

Weeks earlier, the Hubble Space Telescope observed a similar phenomenon, capturing an extended glow aimed sunward in late July. Loeb explained that the glow stretched roughly ten times longer than it was wide, forming what he described as the geometry of a jet directed at the Sun, a pattern unlike any known comet.


'Realizing this is as shocking as photographing an animal your family thinks is a street cat, only to see a tail coming out of its forehead,' Loeb said.
He noted while many specialists hailed Hubble evidence 3I/ATLAS behaves like a (image) comet, they overlooked critical detail: the jet points the wrong way.
Both the Hubble and ground-based observations show material moving toward Sun, contradicting the physics that normally shape comet tails.

Loeb suggests the unusual orientation could indicate the object is ejecting large, heavy particles less affected by sunlight, or that an entirely new type of outgassing mechanism may be at work, he, professor has speculated that 3I/ATLAS could be of extraterrestrial origin, the moment it was identified in July. See. Loeb said there is a 30% to 40% chance the object '3i/ATLAS
does not have a fully natural origin,' noting the possibility it is even a 'Trojan Horse,' where may have a technological object masquerades as a comet...

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This stream of gas and dust is unusual because comet tails are typically pushed away from the Sun by solar radiation and wind. Harvard professor Avi Loeb said on Friday: 'The existence of an anti-tail pointed toward the sun is an anomaly that raises two questions: What is the nature of the anti-tail?. 'Why are comet experts ignoring this anomaly while insisting that 3I/ATLAS is a familiar comet?'.

Weeks earlier, the Hubble Space Telescope observed a similar phenomenon, capturing an extended glow aimed sunward in late July. Loeb explained that the glow stretched roughly ten times longer than it was wide, forming what he described as the geometry of a jet directed at the Sun, a pattern unlike any known comet.


'Realizing this is as shocking as photographing an animal your family thinks is a street cat, only to see a tail coming out of its forehead,' Loeb said.
He noted while many specialists hailed Hubble evidence 3I/ATLAS behaves like a (image) comet, they overlooked critical detail: the jet points the wrong way.
Both the Hubble and ground-based observations show material moving toward Sun, contradicting the physics that normally shape comet tails.

Loeb suggests the unusual orientation could indicate the object is ejecting large, heavy particles less affected by sunlight, or that an entirely new type of outgassing mechanism may be at work, he, professor has speculated that 3I/ATLAS could be of extraterrestrial origin, the moment it was identified in July. See. Loeb said there is a 30% to 40% chance the object '3i/ATLAS
does not have a fully natural origin,' noting the possibility it is even a 'Trojan Horse,' where may have a technological object masquerades as a comet...

Volatile ices like carbon dioxide, carbon monoxide, or water sublimate directly into gas, carrying away dust and small rocks.
'This process can cause the comet to break apart if the mix of ice and dust cannot withstand the thermal stress.'

European Space Agency's Jupiter probe will have a front-row seat, capturing the moment it either breaks apart or, as Loeb speculated, 'releases mini-probes as a technological mothership.'  The ESA's Jupiter Icy Moons Explorer (Juice) craft will have a view of the object when it comes 125 million miles from the planet and monitor it through November.

'During November and December, terrestrial observatories will also be able to monitor 3I/ATLAS and check whether it disintegrated like a natural comet or released mini-probes as a technological mothership,' Loeb explained. While the professor believes there is a possibility it is of alien origin, NASA has long said the object is a natural comet.
The American space agency released images of 3I/ATLAS as it soared past Mars on October 3, showing it as cylindrical-shaped.

Stargazers on social media shared color-enhanced images of the object, which showed the interstellar visitor having a green glow. Loeb and many other scientists are anticipating the visitor's journey to the sun as it will finally put the mystery to rest. 3I/ATLAS will appear as a fuzzy ball of light in the blackness of space, and if it does disintegrate, the professor said it will break into independent, smaller dots of light.

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Volatile ices like carbon dioxide, carbon monoxide, or water sublimate directly into gas, carrying away dust and small rocks.

'This process can cause the comet to break apart if the mix of ice and dust cannot withstand the thermal stress.'

European Space Agency's Jupiter probe will have a front-row seat, capturing the moment it either breaks apart or, as Loeb speculated, 'releases mini-probes as a technological mothership.'  The ESA's Jupiter Icy Moons Explorer (Juice) craft will have a view of the object when it comes 125 million miles from the planet and monitor it through November.

'During November and December, terrestrial observatories will also be able to monitor 3I/ATLAS and check whether it disintegrated like a natural comet or released mini-probes as a technological mothership,' Loeb explained. While the professor believes there is a possibility it is of alien origin, NASA has long said the object is a natural comet.
The American space agency released images of 3I/ATLAS as it soared past Mars on October 3, showing it as cylindrical-shaped.

Stargazers on social media shared color-enhanced images of the object, which showed the interstellar visitor having a green glow. Loeb and many other scientists are anticipating the visitor's journey to the sun as it will finally put the mystery to rest. 3I/ATLAS will appear as a fuzzy ball of light in the blackness of space, and if it does disintegrate, the professor said it will break into independent, smaller dots of light.

See and watch what Loeb said: There is a 30% to 40% chance the object '3i/ATLASdoes not have a fully natural origin,' noting the possibility it is even a 'Trojan Horse,' where may have a technological object masquerades as a comet..Loeb speculated, 'releases mini-probes as a technological mothership.

During November and December this year, terrestrial observatories will bealso be able to monitor 3I/ATLAS and check whether it disintegrated like a natural comet or released mini-probes from the, as this have a 30% to 40% chance, it maybe a advance technological mothership in a "Trojan Horse".

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See and watch what Loeb said: There is a 30% to 40% chance the object '3i/ATLASdoes not have a fully natural origin,' noting the possibility it is even a 'Trojan Horse,' where may have a technological object masquerades as a comet..Loeb speculated, 'releases mini-probes as a technological mothership.

During November and December this year, terrestrial observatories will bealso be able to monitor 3I/ATLAS and check whether it disintegrated like a natural comet or released mini-probes from the, as this have a 30% to 40% chance, it maybe a advance technological mothership in a "Trojan Horse".

Harvard Scientist Weighs In On Interstellar Object 3I/ATLAS Emitting Strange Metal AlloyThe Keck II telescope data revealed distinct nickel and cyanide emissions around 3I/ATLAS.

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Harvard Scientist Weighs In On Interstellar Object 3I/ATLAS Emitting Strange Metal AlloyThe Keck II telescope data revealed distinct nickel and cyanide emissions around 3I/ATLAS.

Many theories have emerged, with the most bizarre one calling it an "alien technology".

In latest update, a renowned Harvard astrophysicist weighed in on the object producing a metal alloy never be4 witnessed in nature, New York Post reported. New images of the object, released on Wednesday, showed the object emitting a plume containing four grams of nickel per second with no evidence of iron. The images were taken by Keck II telescope in Hawaii in August.
Also Read | Mars Orbiters Take Rare Images of Interstellar Comet 3I/ATLAS Zooming Past Red Planet. The Keck II telescope data revealed distinct nickel and cyanide emissions around 3I/ATLAS, which extend several hundred kilometres from its nucleus.

Noted: Authors in study, which has not yet been published in a peer-reviewed journal posted to preprint server arXiv, wrote: "We confirm previously reported Cl CN & Ni outgassing, present, for first time, radial profiles of Ni & CN emission @3I/ATLAS." Interpretation data suggests nickel emission is more "centrally concentrated" in nucleus of comet, "favours hypotheses involving easily dissociated species such as metal carbonyls or metal-polycyclic-aromatic-hydrocarbon molecules." 


Harvard Scientist Weighs In On Interstellar Object 3I/ATLAS Emitting Strange Metal Alloy.

Read In AppHarvard Scientist Weighs In On Interstellar Object 3I/ATLAS Emitting Strange Metal Alloy. Keck II telescope data revealed distinct nickel and cyanide emissions around 3I/ATLAS.

Oct 19, 2025 Updated: Harvard Scientist Weighs In On Interstellar Object 3I/ATLAS Emitting Strange Metal Alloy interstelllar
object 3I/ATLAS continues to intrigue space enthusiasts as it flies through our solar system. NASA has reiterated that comet poses no threat simply passing through, ever since it was discovered for the first time on July 1, many theories have emerged, with the most bizarre one calling it an "alien technology".

Here!. More mini-probes from the, as this have a 30% to 40% chance, it maybe a advance technological mothership in a "Trojan Horse"....from 

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Many theories have emerged, with the most bizarre one calling it an "alien technology".

In latest update, a renowned Harvard astrophysicist weighed in on the object producing a metal alloy never be4 witnessed in nature, New York Post reported. New images of the object, released on Wednesday, showed the object emitting a plume containing four grams of nickel per second with no evidence of iron. The images were taken by Keck II telescope in Hawaii in August.
Also Read | Mars Orbiters Take Rare Images of Interstellar Comet 3I/ATLAS Zooming Past Red Planet. The Keck II telescope data revealed distinct nickel and cyanide emissions around 3I/ATLAS, which extend several hundred kilometres from its nucleus.

Noted: Authors in study, which has not yet been published in a peer-reviewed journal posted to preprint server arXiv, wrote: "We confirm previously reported Cl CN & Ni outgassing, present, for first time, radial profiles of Ni & CN emission @3I/ATLAS." Interpretation data suggests nickel emission is more "centrally concentrated" in nucleus of comet, "favours hypotheses involving easily dissociated species such as metal carbonyls or metal-polycyclic-aromatic-hydrocarbon molecules." 


Harvard Scientist Weighs In On Interstellar Object 3I/ATLAS Emitting Strange Metal Alloy.

Read In AppHarvard Scientist Weighs In On Interstellar Object 3I/ATLAS Emitting Strange Metal Alloy. Keck II telescope data revealed distinct nickel and cyanide emissions around 3I/ATLAS.

Oct 19, 2025 Updated: Harvard Scientist Weighs In On Interstellar Object 3I/ATLAS Emitting Strange Metal Alloy interstelllar
object 3I/ATLAS continues to intrigue space enthusiasts as it flies through our solar system. NASA has reiterated that comet poses no threat simply passing through, ever since it was discovered for the first time on July 1, many theories have emerged, with the most bizarre one calling it an "alien technology".

Here!. More mini-probes from the, as this have a 30% to 40% chance, it maybe a advance technological mothership in a "Trojan Horse"....from 

Here!. More mini-probes from the, as this have a 30% to 40% chance, it maybe a advance technological mothership in a "Trojan Horse"...from afar.


Advance Tech from outer space - alien ball can go under water & is for our earth Scientist to learn...at same time, they are also releasing promptly -- sending mini, 
mini-probes to learn about our Sun and solar system.


Harvard Scientist Weighs In On alien
interstellar Object 3I/ATLAS Emitting Strange Metal Alloy... https://share.google/1Jer0s5eUsOdgIiXV

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Here!. More mini-probes from the, as this have a 30% to 40% chance, it maybe a advance technological mothership in a "Trojan Horse"...from afar.


Advance Tech from outer space - alien ball can go under water & is for our earth Scientist to learn...at same time, they are also releasing promptly -- sending mini, 
mini-probes to learn about our Sun and solar system.


Harvard Scientist Weighs In On alien
interstellar Object 3I/ATLAS Emitting Strange Metal Alloy... https://share.google/1Jer0s5eUsOdgIiXV

"Zeta 1 Reticuli alien" refers to the alleged extraterrestrial beings central to the Zeta Reticuli Incident, a purported 1961 alien abduction of Betty and Barney Hill. In ufology, these beings are often described as "Greys"— a humanoid race with gray skin, large hairless heads, and big black eyes— & are said to be from a planet in the Zeta Reticuli star system. While Zeta Reticuli star system is a real binary star system approximately 39 light-years from Earth, there is no scientific evidence for the existence of these aliens or any planets in the system, according to NASA & BBC Sky at Night Magazine. You can watch this video to learn about the Zeta Reticuli star system:...

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"Zeta 1 Reticuli alien" refers to the alleged extraterrestrial beings central to the Zeta Reticuli Incident, a purported 1961 alien abduction of Betty and Barney Hill. In ufology, these beings are often described as "Greys"— a humanoid race with gray skin, large hairless heads, and big black eyes— & are said to be from a planet in the Zeta Reticuli star system. While Zeta Reticuli star system is a real binary star system approximately 39 light-years from Earth, there is no scientific evidence for the existence of these aliens or any planets in the system, according to NASA & BBC Sky at Night Magazine. You can watch this video to learn about the Zeta Reticuli star system:...

Zeta Reticuli and the Zeta Reticuli Incident. The incident: The story began in 1961 when Betty and Barney Hill reported being abducted by aliens while driving home. They described a "flying saucer" that followed their car and said they were taken aboard a ship, where they were subjected to medical examinations by beings they called "Zeta Reticulans"

The map: One of the most famous aspects of the case is that Betty Hill claimed to have been shown a star map by her abductors that she later recognized in a book, with the stars tracing back to the Zeta Reticuli system as their home.

The description: In ufology, the beings involved in this incident are often referred to as "Zeta Reticulans" and are one of the most common descriptions of "Grey" aliens. These beings are described as having small humanoid bodies, gray skin, large hairless heads & large black eyes.

Scientific perspective
No evidence of planets: Despite its fame in UFO lore, there is no scientific evidence of any planets orbiting either star in the Zeta Reticuli system, though the technology to find them is still developing....

Real star system: Zeta Reticuli is a real binary star system located about 39 light-years from Earth, which is considered close in astronomical terms.

Scientific view: Scientists and organizations like NASA approach claims of alien abduction with skepticism, noting that while the star system is real, the evidence for alien life in the system remains in the realm of ufology and conspiracy theories.

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This stream of gas and dust is unusual because comet tails are typically pushed away from the Sun by solar radiation and wind. Harvard professor Avi Loeb said on Friday: 'The existence of an anti-tail pointed toward the sun is an anomaly that raises two questions: What is the nature of the anti-tail?. 'Why are comet experts ignoring this anomaly while insisting that 3I/ATLAS is a familiar comet?'.

Weeks earlier, the Hubble Space Telescope observed a similar phenomenon, capturing an extended glow aimed sunward in late July. Loeb explained that the glow stretched roughly ten times longer than it was wide, forming what he described as the geometry of a jet directed at the Sun, a pattern unlike any known comet.


'Realizing this is as shocking as photographing an animal your family thinks is a street cat, only to see a tail coming out of its forehead,' Loeb said.
He noted while many specialists hailed Hubble evidence 3I/ATLAS behaves like a (image) comet, they overlooked critical detail: the jet points the wrong way.
Both the Hubble and ground-based observations show material moving toward Sun, contradicting the physics that normally shape comet tails.

Loeb suggests the unusual orientation could indicate the object is ejecting large, heavy particles less affected by sunlight, or that an entirely new type of outgassing mechanism may be at work, he, professor has speculated that 3I/ATLAS could be of extraterrestrial origin, the moment it was identified in July. See. Loeb said there is a 30% to 40% chance the object '3i/ATLAS
does not have a fully natural origin,' noting the possibility it is even a 'Trojan Horse,' where may have a technological object masquerades as a comet...

Quick Read


3I/ATLAS is the third confirmed interstellar object visiting our solar system.

The comet’s nucleus is made of ice, rock, and dust, surrounded by a glowing coma.
Telescopes like Hubble and Keck have revealed traces of nickel and cyanide in its composition.

Its trajectory poses no threat to Earth but offers unique observation opportunities near Mars.

The comet provides insights into the formation of distant star systems.
Interstellar comets, rare visitors from beyond the solar system, have always intrigued astronomers due to their potential to unlock secrets about distant worlds. Among them, 3I/ATLAS stands out as a captivating specimen, offering a window into the formation of other star systems and their celestial bodies. Discovered relatively recently, this comet has sparked immense interest, not only for its scientific value but also for the awe it inspires in space enthusiasts worldwide

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Quick Read


3I/ATLAS is the third confirmed interstellar object visiting our solar system.

The comet’s nucleus is made of ice, rock, and dust, surrounded by a glowing coma.
Telescopes like Hubble and Keck have revealed traces of nickel and cyanide in its composition.

Its trajectory poses no threat to Earth but offers unique observation opportunities near Mars.

The comet provides insights into the formation of distant star systems.
Interstellar comets, rare visitors from beyond the solar system, have always intrigued astronomers due to their potential to unlock secrets about distant worlds. Among them, 3I/ATLAS stands out as a captivating specimen, offering a window into the formation of other star systems and their celestial bodies. Discovered relatively recently, this comet has sparked immense interest, not only for its scientific value but also for the awe it inspires in space enthusiasts worldwide

https://azat.tv/en/unveiling-interstella...-3i-atlas/

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See and watch what Loeb said: There is a 30% to 40% chance the object '3i/ATLASdoes not have a fully natural origin,' noting the possibility it is even a 'Trojan Horse,' where may have a technological object masquerades as a comet..Loeb speculated, 'releases mini-probes as a technological mothership.

During November and December this year, terrestrial observatories will bealso be able to monitor 3I/ATLAS and check whether it disintegrated like a natural comet or released mini-probes from the, as this have a 30% to 40% chance, it maybe a advance technological mothership in a "Trojan Horse".

Comet 3I/ATLAS could soon shower NASA's Jupiter probe in charged particles. Will it reveal more about the interstellar invader?. Particles ripped away from the ion tail streaming from the interstellar comet 3I/ATLAS.

That's the new prediction from two European researchers whose computer code allows them to identify when spacecraft can align with a comet's tail and the sun. Completely harmless to the spacecraft, the event provides a rare and fortuitous alignment — and a unique opportunity to directly sample material from a comet from beyond our region of the cosmos. "We have virtually no data on the interior of interstellar comets and the star systems that formed them," Samuel Grant of Finnish Meteorological Institute, who led the research, told Space.com. "Sampling tail in this way is closest we can currently get to direct sample of such an object, thus a different part of galaxy."

Despite huge opportunity, however, there are Europa Clipper a number of things could work against detecting charged particles from 3I/ATLAS. For instance, the U.S. govt shutdown persists. This is an issue because Europa Clipper is currently in cruise mode as it continues its journey to Jupiter & not all of its instruments are activated. The alignment between Europa Clipper, the comet and the sun falls into place between Oct. 30 and Nov. 6, if the shutdown is not resolved by then, it's unclear whether scientists can awaken Europa Clipper to make measurements even if they want to.
If measurements can be made, though, they will provide insights into the composition of this interstellar comet, allowing comparisons with comets from our own solar system.

Comet anatomy
Comets possess two tails formed from particles and dust lifted off a comet's surface, or outgassed due to rising temperatures on the comet as it nears the sun. The heat causes pockets of gas just beneath the surface to expand and burst out. A comet's dust tail is the most prominent & follows the trajectory of the comet. No spacecraft is currently in position to fly through 3I/ATLAS' dust tail and sample it...

"We study cometary bodies because they act as time capsules, sealing in material from their formation billions of years ago," said Grant. "This material is ejected on approach to the sun, a portion of which is transported away from the sun by the solar wind to form the ion tail." Be'cos it is driven by the solar wind, which radiating out from the sun, the ion tail always points away from the sun...
https://www.space.com/astronomy/comets/c...ar-invader

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Comet 3I/ATLAS could soon shower NASA's Jupiter probe in charged particles. Will it reveal more about the interstellar invader?. Particles ripped away from the ion tail streaming from the interstellar comet 3I/ATLAS.

That's the new prediction from two European researchers whose computer code allows them to identify when spacecraft can align with a comet's tail and the sun. Completely harmless to the spacecraft, the event provides a rare and fortuitous alignment — and a unique opportunity to directly sample material from a comet from beyond our region of the cosmos. "We have virtually no data on the interior of interstellar comets and the star systems that formed them," Samuel Grant of Finnish Meteorological Institute, who led the research, told Space.com. "Sampling tail in this way is closest we can currently get to direct sample of such an object, thus a different part of galaxy."

Despite huge opportunity, however, there are Europa Clipper a number of things could work against detecting charged particles from 3I/ATLAS. For instance, the U.S. govt shutdown persists. This is an issue because Europa Clipper is currently in cruise mode as it continues its journey to Jupiter & not all of its instruments are activated. The alignment between Europa Clipper, the comet and the sun falls into place between Oct. 30 and Nov. 6, if the shutdown is not resolved by then, it's unclear whether scientists can awaken Europa Clipper to make measurements even if they want to.
If measurements can be made, though, they will provide insights into the composition of this interstellar comet, allowing comparisons with comets from our own solar system.

Comet anatomy
Comets possess two tails formed from particles and dust lifted off a comet's surface, or outgassed due to rising temperatures on the comet as it nears the sun. The heat causes pockets of gas just beneath the surface to expand and burst out. A comet's dust tail is the most prominent & follows the trajectory of the comet. No spacecraft is currently in position to fly through 3I/ATLAS' dust tail and sample it...

"We study cometary bodies because they act as time capsules, sealing in material from their formation billions of years ago," said Grant. "This material is ejected on approach to the sun, a portion of which is transported away from the sun by the solar wind to form the ion tail." Be'cos it is driven by the solar wind, which radiating out from the sun, the ion tail always points away from the sun...
https://www.space.com/astronomy/comets/c...ar-invader

Between Oct. 30 & Nov. 6, Europa Clipper will be in position to potentially receive some of those ions transported by the solar wind towards the spacecraft at several hundred miles per second.
Interstellar invader comet 3I/ATLAS could be investigated by these spacecraft as it races past the sun: 'This could be literally a once-in-a-lifetime opportunity'
Click here for more Space.com videos...
Despite this huge opportunity, however, there are a number of things that could work against Europa Clipper detecting charged particles from 3I/ATLAS. For instance, the U.S. government shutdown persists. This is an issue because Europa Clipper is currently in cruise mode as it continues its journey to Jupiter and not all of its instruments are activated. The alignment between Europa Clipper, the comet and the sun falls into place. The solar wind carries ions of its own from the sun, so how can scientists differentiate between solar-wind ions and ions stolen from the comet?...

sun, so how can scientists differentiate between solar-wind ions and ions stolen from comet?..."Cometary ions can be distinguished in a number of ways, most simply by chemical abundances — cometary ions include significant amounts of heavier species, particularly water-group ions, compared to the proton & helium-dominated solar wind," said Grant. "Additionally, the act of loading additional mass into the solar wind causes a general slowing & deflection of the ambient solar wind flow."...

Probability of a particle shower...
https://www.space.com/astronomy/comets/c...ar-invader

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Planetary Defense Activation: Lessons from 3I/ATLAS
The recent detection of 3I/ATLAS, the third confirmed interstellar object to enter our #solarsystem, serves as a timely reminder of the strategic importance of #planetarydefense readiness.

🔭Detected by the ATLAS survey in Hawaii, 3I/ATLAS originates beyond our solar system and will make its closest approach at approximately 1.6 astronomical units from Earth.

While it poses no impact threat, its passage is a significant event in both astronomy and #globalsecurity planning

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Scientists baffled as interstellar 3i/ATLAS the visitor makes mysterious maneuver toward the sun: see capture photo.

The interstellar visitor 3I/ATLAS has displayed behavior never before seen in a comet. In August, the Two-Meter Twin Telescope in the Canary Islands captured an image showing a faint jet extending roughly 3.7 miles from the object's nucleus, pointing toward the sun.

But wait, that’s not all. According to these researchers, this little traveler was not born in our solar system, but much farther away. What?!From another corner of the Universe. Yes, although it was first detected on July 1 from Chile (thanks to the ATLAS system – Asteroid Terrestrial-impact Last Alert System), this little friend has many peculiarities, one of them being that it comes from another stellar system. And that means it is the third interstellar object discovered so far, the other two being the famous ‘Oumuamua and 2I/Borisov, crossing the galaxy until “landing” in our solar system.

But no need to worry, scientists assure that it will not get closer than 270 million kilometers to Earth, so we will be able to observe it calmly and without risk, we are not going to disappear (for now).“Each interstellar comet is like an open window to the past of the Universe”, explains Pérez Couto. “It allows us to analyze materials formed around other stars, under conditions very different from those of the Sun. It is a unique opportunity”.

Gaia: the star map
To understand where this comet comes from, the researchers used data from the Gaia mission of the European Space Agency (ESA). Gaia is the most precise map of the Milky Way ever created; it measures the position, movement, and brightness of billions of stars. 
With that information, the Spanish team was able to “rewind galactic time”, reconstructing the journey of 3I/ATLAS from its origin to its passage through our system. A time capsule made of ice and dust
Comets have always been considered relics of the past, but interstellar ones like 3I/ATLAS are even more so. They are fragments of the original material from which planets formed around other stars. Studying them is like analyzing the DNA of other solar systems because they offer clues about how worlds form, which organic compounds appear first, or how the essential minerals for life are born, something that still keeps many of us awake at night.

According to the CITIC team, 3I/ATLAS is a time capsule that preserves within it chemical traces of the primitive space. But what is most surprising is not only its origin; it also challenges human theories about the formation of the solar system and how interstellar materials evolve. Spain on front line of international astronomy. Watch out, NASA, because Spanish science is playing in the big leagues of space. From there, the CITIC researchers work with numerical models and simulations that reconstruct trajectories impossible to observe directly. “What we do is literally rewind time” says one of the team members. “And every time we do it, we discover a new story about how the Universe works”.

The future: beyond the Sun
The ESA and the European scientific community have already confirmed that interstellar objects will be a priority in the coming years because they are messengers from other worlds and other times, and that is something very interesting to study. This comet will continue on its path once it passes our system, but as they say, a small step for man…We will keep exploring the sky with the same curiosity as when we looked at the stars for the first time, hoping that this way we can find out how the universe we know today was created!. Farewell to the sun - NASA has confirmed the exact date when it will cease to exist

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But wait, that’s not all. According to these researchers, this little traveler was not born in our solar system, but much farther away. What?!From another corner of the Universe. Yes, although it was first detected on July 1 from Chile (thanks to the ATLAS system – Asteroid Terrestrial-impact Last Alert System), this little friend has many peculiarities, one of them being that it comes from another stellar system. And that means it is the third interstellar object discovered so far, the other two being the famous ‘Oumuamua and 2I/Borisov, crossing the galaxy until “landing” in our solar system.

But no need to worry, scientists assure that it will not get closer than 270 million kilometers to Earth, so we will be able to observe it calmly and without risk, we are not going to disappear (for now).“Each interstellar comet is like an open window to the past of the Universe”, explains Pérez Couto. “It allows us to analyze materials formed around other stars, under conditions very different from those of the Sun. It is a unique opportunity”.

Gaia: the star map
To understand where this comet comes from, the researchers used data from the Gaia mission of the European Space Agency (ESA). Gaia is the most precise map of the Milky Way ever created; it measures the position, movement, and brightness of billions of stars. 
With that information, the Spanish team was able to “rewind galactic time”, reconstructing the journey of 3I/ATLAS from its origin to its passage through our system. A time capsule made of ice and dust
Comets have always been considered relics of the past, but interstellar ones like 3I/ATLAS are even more so. They are fragments of the original material from which planets formed around other stars. Studying them is like analyzing the DNA of other solar systems because they offer clues about how worlds form, which organic compounds appear first, or how the essential minerals for life are born, something that still keeps many of us awake at night.

According to the CITIC team, 3I/ATLAS is a time capsule that preserves within it chemical traces of the primitive space. But what is most surprising is not only its origin; it also challenges human theories about the formation of the solar system and how interstellar materials evolve. Spain on front line of international astronomy. Watch out, NASA, because Spanish science is playing in the big leagues of space. From there, the CITIC researchers work with numerical models and simulations that reconstruct trajectories impossible to observe directly. “What we do is literally rewind time” says one of the team members. “And every time we do it, we discover a new story about how the Universe works”.

The future: beyond the Sun
The ESA and the European scientific community have already confirmed that interstellar objects will be a priority in the coming years because they are messengers from other worlds and other times, and that is something very interesting to study. This comet will continue on its path once it passes our system, but as they say, a small step for man…We will keep exploring the sky with the same curiosity as when we looked at the stars for the first time, hoping that this way we can find out how the universe we know today was created!. Farewell to the sun - NASA has confirmed the exact date when it will cease to exist

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