Earlier this month, astronomers made an exciting discovery: they found an interstellar object named 3I/ATLAS. This is only the third object of its kind that we’ve ever seen, and it’s on a wild path through our solar system at incredible speed.
Initial studies of 3I/ATLAS suggest that it could be ancient, possibly as old as the Milky Way itself. Some experts believe it’s billions of years older than our Sun. This has sparked a lot of intrigue within the scientific community.
Harvard astronomer Avi Loeb, known for his controversial ideas about extraterrestrial life, has commented on 3I/ATLAS. He previously gained attention for his theories on ‘Oumuamua, the second interstellar object we discovered. Loeb has suggested that 3I/ATLAS might also hint at something more than just a cosmic rock.
In a recent blog post, Loeb emphasized that more observations are needed to truly understand what 3I/ATLAS is. He has pointed out that it might either be a comet or an asteroid. However, he hasn’t dismissed the intriguing possibility that it could be engineered—suggesting a possible link to intelligent life.
Interestingly, Loeb has had a rocky relationship with some of his peers. He criticized Wikipedia and the journal RNAAS for removing parts of his contributions, showing how polarizing his views can be.
Back in 2017, when we first saw ‘Oumuamua, Loeb speculated that it might have been sent by an alien civilization. He even searched for remnants of a possible spacecraft from an interstellar meteor that crashed in 2014 near Papua New Guinea.
Now, about 3I/ATLAS, Loeb has calculated that it might be around 12.4 miles wide. That’s much larger than ‘Oumuamua, which was estimated to be between 330 and 1,300 feet long. This raises a big question: why are larger interstellar objects so rare? According to Loeb, sizes like these are uncommon. For context, a massive asteroid half that size wiped out the non-avian dinosaurs 66 million years ago.
However, as new data rolled in, Loeb revised his assumptions. The absence of certain spectral signs typically found in comets suggests that 3I/ATLAS might not fit that category. This shift has led him to question its true nature even more.
Loeb remains hopeful. As 3I/ATLAS approaches the Sun, it will grow brighter. If it really is a solid mass without a tail, its brightness will increase based on its proximity to both the Sun and Earth. So, there’s still a chance for scientists to gather more information.
He concluded with an empowering thought, encouraging a sense of curiosity in science. After all, when it comes to the universe, there’s always something new to learn. Scientists shouldn’t just relay past knowledge; they should be open to new discoveries too.
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