The space surprised the experts unexpected visitors: Comet 3i/Atlas, a body that was not born in our solar system and would approach the sun in late October. Its step gives a unique opportunity for astronomers who already reveal the secrets about their composition long before they reach the nearest point.
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A team from astrophysics and related technology (CATA) and the Institute of Astrophysics of the Pontifical Catholic University of Chile took part in this conclusion. Under the guidance of Professor Thomas Putsi, the students of Rohan Rahatgaonok, Juan Pablo Kvadjal and Baltar Luke revealed new information about this type of comet.
Medium Wednesday Biobiochile reports that they used the X-Shooter and Uves Vray Télescope (VLT) ESO atacamo.
Thanks to these powerful tools, they were able to analyze 3I/Atlas light when it was from 4.4 to 2.85 astronomical units of the sun.
With a large vry telescope in the Atacama desert, they observed a spectrum where reddish dust and unusual emissions prevail. (Photo: David Rankin / David Rankin, Saguar Observatory / AFP)
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The resulting data shows the spectrum, which prevails reddish dust, and for the first time atomic nickel emissions (I) and Vitigen (CN).
Although its exact size is not known, the air snake already represents a brilliant comma and the beginning of the tail.
“This object tells about its story long before approachingexplains Thomas Pasia.
For Rohan Rahatgaora discovery is of particular importance: “This is the first time we see the interstellar comet as active since then. It’s like reading the book’s prologue before it reaches the culmination of history in the perigelio (the point closer to the sun)”.
It emphasizes the presence of a nickel without ordinary traces of water or iron, which has never been seen in similar objects. (Photo: NASA/ESA)
Amazingly what 3I/Atlas does not adhere to the sample of other comet. Usually solar heat causes water and other ice, such as carbon dioxide and oxide, evaporates and forms a typical coma. This space visitor, on the other hand, released nickel atoms without iron.
“It is as if this air snake first included metal notes of the orchestra, but without sounding ordinary water or so”Comments of the Puzia. “Seeing the nickel so early and alone, it can indicate that it has been formed and lasted under extreme conditions, perhaps on a large Milky Way disc”.
Juan Pablo Kauchal adds: “In the comments of the solar system and in the previous interstellar facility 2I/Borisov Nickeel has always been observed near iron. Here we see how it is activated on its own, as the first sign of cryogeneous fossil thousands of years ago..
The team will continue to observe the snake to understand its origin and processes of formation of other celestial bodies. (Photo: NASA/ JPL-Caltech)
October 29 3I/Atlas will reach its perigelio. Testing equipment and UC already have 37.5 hours of observation from VLT and an additional measuring the isotopic composition.
“The coming weeks will be similar to the opening of additional pages of this interstellar manuscript. Every new data will allow us to restore how and where this object was born, and better understand how comers and planets around other stars are formed”concludes a whip.
Balthazar Luke Coals: “So far, we have only read an electromagnetic spectrum section. What comes from our institute promises to reveal even more the mystery of this space traveler”.
What do you need to know about 3i/Atlas
3I/Atlas owe its name, to which it is the third interstellar object, after “OuMuamua and 2I/Borisov”, recognizing the observatory that determined it.
It is a space traveler that does not belong to our solar system. His hyperbolic orbit shows that it comes from the interstellar space, that is, he was born in another stellar system and was expelled from there before the transition of our region.
The origin of 3i/Atlas remains a mystery. Astronomers believe that this can be a fragment of a comet or an asteroid formed around another star, making it a natural pattern of other distant worlds.
Learning it allows us to know the history of the solar systems of others. The analysis of its composition and movement helps to compare our solar system with others and better understand how planets are formed and developed in galaxy.
If 3i/Atlas fit the ground
3I/Atlas goes through the solar system. Its maximum approach to the sun will be at the end of the next October, when it is only 1.36 OS, that is, 203 million kilometers or 125 million miles.
According to Noirlab, run by the US National Sciences Fund on December 3 will be the maximum approach to Earth.
At what speed does 3i/atlas move?
3I/Atlas moves very fast. When it is far from the sun, it travels about 58 kilometers per second, which is more than 200 thousand kilometers per hour.
If you approach the sun, it can accelerate to approximately 68 kilometers per second, even faster before returning to space.
Which way 3i/Atlas
3I/Atlas is still included in the solar system, and, according to agencies and observatory, it will reach its point of view closer to the sun in late October 2025 (approximately October 29-30) at a distance of ≈1.4 OS (that is, only within the orbit of Mars).
Its orbit remains hyperbolic, will be held near Mars (~ 0.19 OS on October 3, 2025) and does not pose a threat to the Earth (its closest approach to Earth will be ~ 1.8 au December 19, 2025).
Recent observations show comer and the development of the tail when heated when approaching the sun.
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