For only the second time in history, astronomers have discovered a new, natural-origin, minimoon orbiting the Earth. The minimoon, known as 2020CD3 (CD3 for short), was first discovered by Kacper Werizchos and Teddy Pruyne using data from the Catalina Sky Survey. Once CD3’s orbit was determined to be geo-centric, Queens University Belfast Post-Doctoral Research Fellow …
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