Harvard astrophysicist suggests massive interstellar comet 3I/ATLAS, now measured at over 33 billion tons, could potentially be alien technology rather than a natural celestial body.
Massive Interstellar Visitor Defies Initial Estimates
The interstellar comet 3I/ATLAS has stunned astronomers with revised measurements showing a mass exceeding 33 billion tons and a nucleus potentially over 3.1 miles in diameter. NASA’s ATLAS detection system first spotted the object on July 1, 2025, making it only the third confirmed interstellar visitor after ‘Oumuamua and 2I/Borisov. High-resolution data from Hubble, Webb, and other major observatories revealed the comet’s unprecedented size for an interstellar object, prompting intense scientific scrutiny and public fascination.
The comet’s expanding coma of gas and dust continues growing as it approaches perihelion on October 29, 2025. Multiple observatory networks coordinate observations to track its trajectory and composition. NASA emphasizes the object poses no threat to Earth despite its massive scale and interstellar origins.
Harvard Scientist Raises Controversial Artificial Origin Theory
Astrophysicist Avi Loeb from Harvard University published speculation suggesting 3I/ATLAS could represent alien technology rather than natural formation. His non-peer-reviewed analysis argues the object’s unusual mass and trajectory warrant consideration of artificial origins. This controversial position echoes Loeb’s previous claims about ‘Oumuamua, which similarly sparked debate within the scientific community. Most mainstream astronomers reject the artificial hypothesis, citing the comet’s composition and behavior as consistent with natural celestial bodies.
The scientific establishment maintains skepticism toward extraordinary claims lacking peer-reviewed evidence. Previous experience with ‘Oumuamua demonstrated how speculative theories can overshadow legitimate astronomical research. Loeb’s statements generate significant media attention but fail to gain widespread endorsement from his professional colleagues, who emphasize the importance of rigorous evidence-based analysis over sensational speculation.
Advanced Observatory Networks Track Unprecedented Object
NASA-funded detection systems and international observatory partnerships demonstrate America’s leadership in planetary defense and space science. The coordinated response involving Hubble, Webb, Swift, and Gran Telescopio Canarias showcases technological superiority in astronomical research. These capabilities represent strategic advantages for national security and scientific advancement, contrasting sharply with previous administrations’ reduced emphasis on American space dominance and technological independence.
‘Massive’ comet hurtling toward us is larger than previously thought, could be alien tech, scientist says: ‘It could change everything for us’ https://t.co/RDpm7IHSYn
— Space Force 2030 🚀 (@SpaceForce2030) September 29, 2025
The discovery highlights the importance of robust funding for defense-related space programs that protect American interests. Strong astronomical surveillance capabilities serve dual purposes of scientific discovery and national security preparedness. This technological achievement demonstrates what American innovation can accomplish when properly supported and directed toward protecting our nation’s interests rather than wasteful spending on ineffective global initiatives.
Sources:
Major Anomaly As Interstellar Object 3I/Atlas Measured To Be Over 33 Billion Tons – IFLScience
As NASA Missions Study Interstellar Comet, Hubble Makes Size Estimate – NASA