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Interstellar visitor ‘Oumuamua may be a shard of a Pluto-like world
When the object now known as 1I/ʻOumuamua streaked through the inner Solar System in 2017, it instantly rewrote the playbook ...
A mysterious cigar-shaped object spotted tumbling through our solar system last year may have been an alien spacecraft sent to investigate Earth, astronomers from Harvard University have suggested.
In a pair of papers published in 2018 and 2021 in theJournal of Geophysical Research: Planets, planetary scientist Steve Desch and his colleague Alan Jackson, both from Arizona State University, ...
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