Interstellar comet 3I/ATLAS reemerges intact after perihelion with no signs of fragmentation or explosion. Astronomers recorded images in the early hours of November 11, 2025, confirming a defined tail and stable coma. The object, the third interstellar visitor detected, follows a predicted trajectory in the inner Solar System.
Speculations about destruction or artificial origin have emerged on technology portals and social networks in recent days. Observations from telescopes in Italy and Arizona have refuted these hypotheses with clear visual data. The comet maintains natural behavior during its closest approach to the Sun.
- Images captured by the Virtual Telescope Project show a compact nucleus.
- Lowell Observatory recorded brightness increased by sublimation of ice.
- Researchers monitor typical gas ejection from comets.
Recent Observations
Images obtained on November 11 reveal 3I/ATLAS with a preserved structure. The comet exhibited a luminous tail and rounded coma, indicative of integrity.
Qicheng Zhang of the University of Arizona analyzed the records and con confirmed absence of fragments. The increase in brightness results from gaseous jets activated by solar heat.
These data were collected by terrestrial instruments after the object left the solar conjunction. The reemergence allowed detailed captures of cometary morphology.
Trajectory and characteristics
3I/ATLAS originated from another star system and entered the Solar System in a hyperbolic orbit. Its speed exceeds the solar escape, confirming its interstellar nature. The perihelion occurred without drastic changes in composition.
Astronomers have been following the object since its initial discovery in 2025. The passage through the Sun activated the sublimation of volatiles, generating a tail visible from Earth. The core remains cohesive, with a diameter estimated at hundreds of meters.
Behavior during perihelion
The comet approached the Sun at the minimum distance without disintegration. Thermal processes released dust and gases, forming an extensive coma.
Observatories recorded brightness variations consistent with models of cometary activity. There was no evidence of nuclear meltdown or massive ejection of material.
Structural stability reinforces classification as a natural rocky-ice body.
Continuous monitoring
International teams maintain surveillance over the trajectory of 3I/ATLAS. Optical telescopes capture daily images to map developments.
Spectroscopic data analyzes the chemical composition of the ejected material. The object gradually moves away from the Sun, reducing surface activity.
Discovery and context
3I/ATLAS was identified as the third interstellar after 1I/’Oumuamua and 2I/Borisov. Its detection occurred by automated survey in 2025.
Extrasolar origin offers insights into planetary formation in other systems. Observations avoid solar interference during conjunction.
Activity observed
Gaseous jets increased visibility in November 2025. The tail extended thousands of kilometers into space.
Research rules out fragmentation based on accurate photometry. The comet follows previously calculated orbital parameters.