GIF showing a moving speck of light, which is a near-Earth asteroid discovered by Catalina Sky Survey in 2020 (IMAGE)

University of Arizona

GIF showing a moving speck of light, which is a near-Earth asteroid discovered by Catalina Sky Survey in 2020

Caption

These images, which show the streaked movement of an unknown object in space, led to the discovery of the near-Earth asteroid '2020 CD3' by Catalina Sky Survey in 2020. Participants in the project will view four consecutive telescope images following the same format shown here.

Credit

Catalina Sky Survey

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