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A comet traveling outside the solar system and heading toward the Earth is much larger than scientists first believed, a scientist has detailed in a new report.

Avi Loeb claims the comet could even be an artifact of alien technology rather than a natural body because it weighs more than 33 billion tons and spans at least 3.1 miles across.

The object, named 3I/ATLAS, is only the third interstellar visitor ever detected, after Oumuamua in 2017 and 2I/Borisov in 2019.

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The astrophysicist also revealed in a Medium blog post that new data and measurements indicate the comet’s nucleus is more massive than first estimated.

3I/ATLAS was spotted in July wit

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