Meet UX34: The Mysterious Disc from 2003 That’s Captivating Scientists!

Six sequential radar images from the Arecibo Observatory show a small, bright object moving across the radar return of asteroid (226514) 2003 UX34 on January 5, 2017. The object appears as a small, bright dot that gradually moves from the left side of the radar return to the right, eventually appearing to emerge from behind the asteroid's curved radar echo. Each image is labeled with the observatory, object designation, and date/time.

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