Categories: Science and Tech

Will Aliens Arrive on October 29? Scientists Decode 3I/ATLAS

Interstellar object 3I/ATLAS sparks alien probe speculation ahead of its Oct 29 approach. Scientists weigh in on its mysterious features and origin.

Published by
Amreen Ahmad

In Space there is an object called 3I/ATLAS flying toward the inner solar system and whetting appetites for stories about alien probe to interstellar comet. Some people say that on October 29, when it reaches its perihelion, we could see something extraordinary on Earth.

What is 3I/ATLAS?

Discovered by the ATLAS survey telescope on July 1, 2025, 3I/ATLAS is the third officially recognized intruder from another stellar system into our solar system after 'Oumuamua and 2I/Borisov. The trajectory is hyperbolic that is, it is not bound to the Sun and is just passing through. Its course, brightness, composition and odd behavior are being monitored as it draws nearer to the Sun. 

3I/ATLAS: Trajectory, Size & Anomalies

Initial metrics put 3I/ATLAS at larger and heavier than some estimates put it at a nucleus with dimensions spanning kilometers and mass exceeding 33 billion tons. Coupled with size its path is unusually aligned nearly parallel to the ecliptic plane and has non-gravitational acceleration which some argue are signs of artificial forces. Many astronomers caution that all these features could still emerge from natural process.

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Is it Alien Probe or Cosmic Traveler?

One of the boldest voices in this discourse is Avi Loeb, who speculates that 3I/ATLAS may be a technological artifact rather than a natural comet. He suggests the object’s trajectory may reflect deliberate navigation possibly for reconnaissance meanwhile, other scientists strongly reject the idea, pointing to typical comet features like a coma, gas emissions and ice outgassing. 

Will Aliens Arrive on October 29?

When will 3I/ATLAS get closest to the sun perihelion the date holds astronomical significance October 29. This means for speculation there might be a change of trajectory or even revealing characteristics and believed by many that 3I/ATLAS might actually become less visible from Earth the glare of the Sun will obscure observations. 

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What Scientific Observations Composition Studies?

Analysis with the use of recent spectra gained from the James Webb Space Telescope and other facilities has brought out a dominance of CO₂ in the coma while bringing traces of water ice and dust. The CO₂ to H₂O ratio is unusually high and raising eyebrows about its origin. The ultraviolet imagery shows active water production of 40 kg per second where researchers also analyze recovery data gained from TESS to further understand motion and brightness profile. 

What Scientists Say on Cautions Versus Speculation?

The alien theory gets headlines, the scientific majority tends to keep its cool according to NASA and many astronomers on Earth, there has so far been no convincing evidence of extraterrestrial intelligence. The Loeb said, "the most probable outcome is that 3I ATLAS is a natural interstellar object." 

Will October 29 see ETs descend on Earth but 3I/ATLAS remains one of the most fascinating celestial visitors in recent memory. Its anomaly challenging assumptions and pushing much of astronomy at the frontier will continue to be monitored, measured and debated by scientists while the rest of us just watch it fly by in wonder.

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Disclaimer: This article is for informational use only. Alien invasion claims about 3I/ATLAS are speculative and not backed by scientific evidence.

Amreen Ahmad
Published by Amreen Ahmad